1. |
- Andersson, Pia, et al.
(författare)
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Oral health and nutritional status in a group of geriatric rehabilitation patients
- 2002
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Ingår i: Scandinavian Journal of Caring Sciences. - : Wiley-Blackwell. - 0283-9318 .- 1471-6712. ; 16:3, s. 311-318
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Tidskriftsartikel (refereegranskat)abstract
- The aims of this study were to evaluate the oral health status and nutritional status in a group of geriatric rehabilitation patients, and to analyse the relationship between these two parameters. Nurses at the ward performed structured assessments of oral and nutritional status using the Revised Oral Assessment Guide and the Subjective Global Assessment form in 223 newly admitted patients. Most oral health problems were found among patients who stayed longer at the hospital and were more dependent on help as compared with the healthier patients. Thirty-four per cent of the patients were either severely undernourished, at risk or suspected to be undernourished (UN). Oral health problems were more common among UN patients (p < 0.0005) compared with well-nourished patients. The most frequent oral health problem was found on teeth or dentures (48%). Problems related to the tongue and lips were also common among UN patients (56 and 44%, respectively). Oral health status was correlated (r = 0.32) to nutritional status. Problems with swallowing had the strongest association to the nutritional status (OR 6.05; 95% CI 2.41-15.18). This study demonstrated that poor oral health status was related to undernourishment.
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2. |
- Andersson, Pia, et al.
(författare)
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Oral health problems in elderly rehabilitation patients
- 2004
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Ingår i: International Journal of Dental Hygiene. - : Wiley-Blackwell. - 1601-5029 .- 1601-5037. ; 2:2, s. 70-77
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Tidskriftsartikel (refereegranskat)abstract
- A combination of poor oral hygiene and dry mouth may be hazardous to the oral health status. However, systematic assessments in order to detect oral health problems are seldom performed in the nursing care of the elderly. The aims of this study were to investigate the occurrence of oral health problems measured using the Revised Oral Assessment Guide (ROAG) and to analyse associations between oral health problems and age, gender, living conditions, cohabitation, reason for admission, number of drugs, and functional and nutritional status. One registered nurse performed oral health assessments using ROAG in 161 newly admitted elderly patients in rehabilitation care. Oral health problems were found in 71% of the patients. Thirty per cent of these patients had between four and eight problems. Low saliva flow and problems related to lips were the most frequent oral health problems. Problems in oral health status were significantly associated with presence of respiratory diseases (problems with gums, lips, alterations on the tongue and mucous membranes), living in special accommodation (low saliva flow, problems with teeth/dentures and alterations on the tongue), being undernourished (alterations on the tongue and low saliva flow) and being a woman (low saliva flow). The highest Odds ratio (OR) was found in problems with gums in relation with prevalence of respiratory diseases (OR 8.9; confidence interval (CI) 2.8–27.8; P < 0.0005). This study indicates the importance of standardised oral health assessments in order to detect oral health problems which can otherwise be hidden when the patients are admitted to the hospital ward.
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3. |
- Dalago, Haline Renata, et al.
(författare)
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Risk indicators for peri-implantitis : a cross-sectional study with 916 implants
- 2017
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Ingår i: Clinical Oral Implants Research. - : John Wiley & Sons. - 0905-7161 .- 1600-0501. ; 28:2, s. 144-150
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: The aim of this study was to identify systemic and local risk indicators associated with peri-implantitis.MATERIAL AND METHODS: One hundred eighty-three patients treated with 916 osseointegrated titanium implants, in function for at least 1 year, were included in the present study. The implants were installed at the Foundation for Scientific and Technological Development of Dentistry (FUNDECTO) - University of Sao Paulo (USP) - from 1998 to 2012. Factors related to patient's systemic conditions (heart disorders, hypertension, smoking habits, alcoholism, liver disorders, hepatitis, gastrointestinal disease, diabetes mellitus I and II, hyperthyroidism or hypothyroidism, radiation therapy, chemotherapy, menopause, osteoporosis, active periodontal disease, history of periodontal disease and bruxism), implant's characteristics (location, diameter, length, connection, shape, and antagonist), and clinical parameters (wear facets, periodontal status on the adjacent tooth, plaque accumulation on the adjacent tooth, modified plaque index, sulcus bleeding index, probing depth, bleeding on probing, width of keratinized tissue and marginal recession).RESULTS: An increased risk of 2.2 times for history of periodontal disease (PD), 3.6 times for cemented restorations compared to screw-retained prostheses, 2.4 times when wear facets were displayed on the prosthetic crown and 16.1 times for total rehabilitations when compared to single rehabilitations were found. Logistic regression analysis did not show any association between the implant's characteristics and peri-implantitis.CONCLUSIONS: A history of periodontal disease, cemented prostheses, presences of wear facets on the prosthetic crown and full mouth rehabilitations were identified as risk indicators for peri-implantitis. Implants' characteristics were not related to the presence of peri-implantitis.
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4. |
- Lundgren, T, et al.
(författare)
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Impaired cytotoxicity in Papillon-Lefèvre syndrome
- 2005
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Ingår i: Journal of Dental Research. - 0022-0345 .- 1544-0591. ; 84:5, s. 414-417
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Tidskriftsartikel (refereegranskat)abstract
- Papillon-Lefèvre syndrome (PLS), palmoplantar hyperkeratosis with periodontitis, has been genetically characterized. However, suspected associated immune dysfunctions remain elusive. The purpose of this study was to evaluate peripheral blood lymphocyte levels and natural killer (NK) cell cytotoxicity in PLS. Twenty patients and 20 healthy controls were examined. Peripheral blood lymphocytes were analyzed by flow cytometry for surface markers. NK cell cytotoxicity against K562 cells was determined by means of a 51Cr release assay. White blood cell differential and proportions of B-, T-, T-helper, T-suppressor, and NK cells revealed only sporadic borderline variations from control values. In contrast, NK cell cytotoxicity was consistently and severely depressed (32-53% of control values) in all patients. To the best of our knowledge, this newly described impairment of NK cell cytotoxic function is the first consistent immune dysfunction reported in PLS. This suggests that the impaired NK cell cytotoxicity might contribute to the pathogenesis of PLS-associated periodontitis.
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5. |
- Lundgren, T, et al.
(författare)
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Impaired cytotoxicity in Papillon-Lefèvre syndrome.
- 2005
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Ingår i: Journal of Dental Research. - : SAGE Publications. - 0022-0345 .- 1544-0591. ; 84:5, s. 414-417
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Tidskriftsartikel (refereegranskat)abstract
- Papillon-Lefèvre syndrome (PLS), palmoplantar hyperkeratosis with periodontitis, has been genetically characterized. However, suspected associated immune dysfunctions remain elusive. The purpose of this study was to evaluate peripheral blood lymphocyte levels and natural killer (NK) cell cytotoxicity in PLS. Twenty patients and 20 healthy controls were examined. Peripheral blood lymphocytes were analyzed by flow cytometry for surface markers. NK cell cytotoxicity against K562 cells was determined by means of a 51Cr release assay. White blood cell differential and proportions of B-, T-, T-helper, T-suppressor, and NK cells revealed only sporadic borderline variations from control values. In contrast, NK cell cytotoxicity was consistently and severely depressed (32-53% of control values) in all patients. To the best of our knowledge, this newly described impairment of NK cell cytotoxic function is the first consistent immune dysfunction reported in PLS. This suggests that the impaired NK cell cytotoxicity might contribute to the pathogenesis of PLS-associated periodontitis.
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6. |
- Lundgren, Tord, et al.
(författare)
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Periodontal treatment of patients with Papillon-Lefèvre syndrome : a 3-year follow-up
- 2004
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Ingår i: Journal of Clinical Periodontology. - 0303-6979 .- 1600-051X. ; 31:11, s. 933-938
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND/AIM: Conventional mechanical periodontal treatment of Papillon-Lefevre syndrome (PLS) has often been reported to fail. This study describes the outcome of a non-surgical periodontal therapy including antimicrobial treatment of nine patients diagnosed with PLS. The patients originate from a total of 15 children and adolescents with PLS for which clinical characteristics are presented.METHODS: Clinical examination including conventional periodontal measurements. Initial treatment including oral hygiene instruction, scaling and root planing and systemic amoxicillin-metronidazole therapy for 6 weeks. After that the patients were enrolled in a 3-month recall maintenance program. In addition to this mechanical supportive maintenance treatment, tetracycline was prescribed and used continuously for 1.5 years.RESULTS/CONCLUSION: On five patients who were showing acceptable standard of oral hygiene and also compliance with the antibiotic medication, development of periodontitis on erupting teeth was prevented and disease activity on the previously periodontally involved teeth controlled during a 3-year period. Poor results of treatment were observed for three patients, all siblings. These patients failed to comply with the medication and also failed to improve their oral hygiene.
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7. |
- Mårtensson, Carina, et al.
(författare)
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Factors behind change in knowledge after a mass media campaign targeting periodontitis
- 2006
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Ingår i: International Journal of Dental Hygiene. - 1601-5029 .- 1601-5037. ; 4:1, s. 8-14
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to investigate changes in knowledge before and after a mass media campaign, in relation to social attributes, care system attributes and oral health aspects. The study was based on a questionnaire in a cohort design, sent out to 900 randomly sampled people aged 50–75 in Sweden. The response rate to the questionnaire before and after the campaign was 70% and 65% respectively. Sixty-four percent answered both questionnaires. Two questions addressed knowledge, while 10 questions aimed to measure social attributes, care system attributes and oral health aspects. Data were analysed for bivariate relations as to change in knowledge and social attributes, care system attributes and oral health aspects. Data were also analysed in multiple regression analysis with knowledge before, knowledge after and knowledge differences as dependent variables. The results showed that there were a number of independent variables with influence on the dependent variables. Of the social attributes, secondary education gave almost 10% (P < 0.001) better knowledge both before and after the campaign. Among care system attributes, high care utilization was related to knowledge both before and after the campaign. The most important factors for knowledge about periodontitis were education, care utilization and perceived importance of oral health. In conclusion, this study demonstrates that mass media might increase knowledge about periodontitis as a health promotion strategy.
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8. |
- Renvert, Stefan, 1951-, et al.
(författare)
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Clinical and microbiological analysis of subjects treated with Brånemark or AstraTech implants : a 7-year follow-up study
- 2008
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Ingår i: Clinical Oral Implants Research. - 0905-7161 .- 1600-0501. ; 19:4, s. 342-7
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Tidskriftsartikel (refereegranskat)abstract
- AIMS: To assess the impact of different implant systems on the clinical conditions and the microbiota at implants, and whether the presence of bacteria at tooth sites was predictive of the presence at implant sites. MATERIALS AND METHODS: Subjects with either AstraTech or Brånemark in function for 7 years were enrolled. Sub-gingival bacterial samples at tooth and implant sites were collected with sterile endodontic paper points, and analyzed by the checkerboard DNA-DNA hybridization method (40 species). RESULTS: Fifty-four subjects, 27 supplied with AstraTech (n=132 implants) and 27 with Brånemark (n=102) implants, were studied. Test tooth sites had significantly less evidence of bleeding on probing (P<0.001) and presence of plaque (P<0.001) than implant test sites. Implant sites presented with deeper probing pocket depth than tooth sites (mean difference: 1.1 mm, standard error of differences: 0.08, 95% confidence intervals (CI): 0.9-1.3, P<0.001). Tannerella forsythia (P<0.05), Capnocytophaga sputigena (P<0.05), Actinomyces israelii (P<0.05) and Lactobacillus acidophilus (P<0.05) were found at higher levels at tooth surfaces. No differences in bacterial load for any species were found between the two implant systems. The odds of being present/absent at tooth and implants sites were only significant for Staphylococcus aureus [odds ratio (OR): 5.2 : 1, 95% CI: 1.4-18.9, P<0.01]. CONCLUSIONS: After 7 years in function, implants presented with deeper probing depths than teeth. S. aureus was commonly present at both teeth and implants sites. S. aureus at tooth sites was predictive of also being present at implant sites.
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9. |
- Renvert, Stefan, et al.
(författare)
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Clinical and microbiological analysis of subjects treated with Brånemark or AstraTech implants : a 7-year follow-up study
- 2008
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Ingår i: Clinical Oral Implants Research. - : Blackwell Munksgaard. - 0905-7161 .- 1600-0501. ; 19:4, s. 342-7
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Tidskriftsartikel (refereegranskat)abstract
- AIMS: To assess the impact of different implant systems on the clinical conditions and the microbiota at implants, and whether the presence of bacteria at tooth sites was predictive of the presence at implant sites. MATERIALS AND METHODS: Subjects with either AstraTech or Brånemark in function for 7 years were enrolled. Sub-gingival bacterial samples at tooth and implant sites were collected with sterile endodontic paper points, and analyzed by the checkerboard DNA-DNA hybridization method (40 species). RESULTS: Fifty-four subjects, 27 supplied with AstraTech (n=132 implants) and 27 with Brånemark (n=102) implants, were studied. Test tooth sites had significantly less evidence of bleeding on probing (P<0.001) and presence of plaque (P<0.001) than implant test sites. Implant sites presented with deeper probing pocket depth than tooth sites (mean difference: 1.1 mm, standard error of differences: 0.08, 95% confidence intervals (CI): 0.9-1.3, P<0.001). Tannerella forsythia (P<0.05), Capnocytophaga sputigena (P<0.05), Actinomyces israelii (P<0.05) and Lactobacillus acidophilus (P<0.05) were found at higher levels at tooth surfaces. No differences in bacterial load for any species were found between the two implant systems. The odds of being present/absent at tooth and implants sites were only significant for Staphylococcus aureus [odds ratio (OR): 5.2 : 1, 95% CI: 1.4-18.9, P<0.01]. CONCLUSIONS: After 7 years in function, implants presented with deeper probing depths than teeth. S. aureus was commonly present at both teeth and implants sites. S. aureus at tooth sites was predictive of also being present at implant sites.
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10. |
- Renvert, Stefan, 1951-, et al.
(författare)
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Infection at titanium implants with or without a clinical diagnosis of inflammation
- 2007
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Ingår i: Clinical Oral Implants Research. - 0905-7161 .- 1600-0501. - 0905-7161 ; 18:4, s. 509-516
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: To assess the microbiota at implants diagnosed with peri-implantitis, implant mucositis, or being clinically healthy. Material and methods: Clinical and microbiological data were collected from 213 subjects (mean age: 65.7 +/- 14) with 976 implants in function (mean: 10.8 years, SD +/- 1.5). Forty species were identified by the checkerboard DNA-DNA hybridization method. Results: Implant mean % plaque score was 41.8 +/- 32.4%. Periodontitis defined by bone loss was found in 44.9% of subjects. Implant mucositis was diagnosed in 59% and peri-implantitis in 14.9% of all cases. Neisseria mucosa, Fusobacterium nucleatum sp. nucleatum, F. nucleatum sp. polymorphum, and Capnocytophaga sputigena dominated the implant sub-mucosal microbiota and the sub-gingival microbiota at tooth sites. Implant probing pocket depth at the implant site with the deepest probing depth was correlated with levels of Eikenella corrodens (r=0.16, P < 0.05), the levels of F. nucleatum sp. vincentii (r=0.15, P < 0.05), Porphyromonas gingivalis (r=0.14, P < 0.05), and Micromonas micros (r=0.17, P=0.01). E. corrodens was found in higher levels at implants with mucositis compared with implant health (P < 0.05). Subjects who lost teeth due to periodontitis had higher yields of F. nucleatum sp. vincentii (P < 0.02) and N. mucosa (P < 0.05). Independent of implant status subjects with teeth had higher levels of P. gingivalis (P < 0.05), and Leptotrichia buccalis (P < 0.05). Conclusions: At implant sites studied, few bacteria differed by whether subjects were dentate or not or by implant status.
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11. |
- Renvert, Stefan, et al.
(författare)
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Infection at titanium implants with or without a clinical diagnosis of inflammation
- 2007
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Ingår i: Clinical Oral Implants Research. - : Blackwell Munksgaard. - 0905-7161 .- 1600-0501. ; 18:4, s. 509-516
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: To assess the microbiota at implants diagnosed with peri-implantitis, implant mucositis, or being clinically healthy. Material and methods: Clinical and microbiological data were collected from 213 subjects (mean age: 65.7 +/- 14) with 976 implants in function (mean: 10.8 years, SD +/- 1.5). Forty species were identified by the checkerboard DNA-DNA hybridization method. Results: Implant mean % plaque score was 41.8 +/- 32.4%. Periodontitis defined by bone loss was found in 44.9% of subjects. Implant mucositis was diagnosed in 59% and peri-implantitis in 14.9% of all cases. Neisseria mucosa, Fusobacterium nucleatum sp. nucleatum, F. nucleatum sp. polymorphum, and Capnocytophaga sputigena dominated the implant sub-mucosal microbiota and the sub-gingival microbiota at tooth sites. Implant probing pocket depth at the implant site with the deepest probing depth was correlated with levels of Eikenella corrodens (r=0.16, P < 0.05), the levels of F. nucleatum sp. vincentii (r=0.15, P < 0.05), Porphyromonas gingivalis (r=0.14, P < 0.05), and Micromonas micros (r=0.17, P=0.01). E. corrodens was found in higher levels at implants with mucositis compared with implant health (P < 0.05). Subjects who lost teeth due to periodontitis had higher yields of F. nucleatum sp. vincentii (P < 0.02) and N. mucosa (P < 0.05). Independent of implant status subjects with teeth had higher levels of P. gingivalis (P < 0.05), and Leptotrichia buccalis (P < 0.05). Conclusions: At implant sites studied, few bacteria differed by whether subjects were dentate or not or by implant status.
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12. |
- Renvert, Stefan, 1951-, et al.
(författare)
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Mechanical and repeated antimicrobial therapy using a local drug delivery system in the treatment of peri-implantitis : a randomized clinical trial
- 2008
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Ingår i: Journal of Periodontology. - 0022-3492 .- 1943-3670. ; 79:5, s. 836-844
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Peri-implantitis is an inflammatory process caused by microorganisms affecting the tissues around an osseointegrated implant in function, resulting in a loss of supporting bone. Limited data exist regarding the treatment of peri-implantitis. The aim of this study was to assess the clinical and microbiologic outcome of repeated local administration of minocycline microspheres, 1 mg, in cases of peri-implantitis. METHODS: Thirty-two subjects with at least one implant with a probing depth > or =4 mm combined with bleeding and/or exudate on probing and the presence of putative pathogenic bacteria were included in the study. At baseline, subjects were randomly assigned to receive local minocycline microspheres (17 subjects and 57 implants) or chlorhexidine gel (15 subjects and 38 implants) following debridement. Treatments were performed on three occasions: baseline and days 30 and 90. Follow-up examinations were conducted at 10 days and at 1, 3, 6, 9, and 12 months. RESULTS: The use of minocycline resulted in significant improvements in probing depths compared to chlorhexidine at days 30, 90, and 180 (P = 0.5, P = 0.01, and P = 0.04, respectively). For the deepest sites of the minocycline-treated implants, the mean probing depth reduction was 0.6 mm at 12 months. Regarding bleeding on probing, significant differences between groups, based on all four sites at the implants, were found at days 30, 90, 180, 270, and 360. Both treatments resulted in a marked reduction in the indicator bacteria. CONCLUSIONS: The use of a repeated local antibiotic as an adjunct to the mechanical treatment of peri-implantitis lesions demonstrated improvements in probing depths that were significantly different from controls and were sustained for 6 months. The adjunctive use of minocycline microspheres is beneficial in the treatment of peri-implant lesions, but the treatment may have to be repeated.
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13. |
- Renvert, Stefan, et al.
(författare)
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Mechanical and Repeated Antimicrobial Therapy Using a Local Drug Delivery System in the Treatment of Peri-Implantitis: A Randomized Clinical Trial.
- 2008
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Ingår i: Journal of periodontology. - : Wiley. - 0022-3492 .- 1943-3670. ; 79:5, s. 836-844
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Tidskriftsartikel (refereegranskat)abstract
- Background: Peri-implantitis is an inflammatory process caused by microorganisms affecting the tissues around an osseointegrated implant in function, resulting in a loss of supporting bone. Limited data exist regarding the treatment of peri-implantitis. The aim of this study was to assess the clinical and microbiologic outcome of repeated local administration of minocycline microspheres, 1 mg, in cases of peri-implantitis. Methods: Thirty-two subjects with at least one implant with a probing depth >/=4 mm combined with bleeding and/or exudate on probing and the presence of putative pathogenic bacteria were included in the study. At baseline, subjects were randomly assigned to receive local minocycline microspheres (17 subjects and 57 implants) or chlorhexidine gel (15 subjects and 38 implants) following debridement. Treatments were performed on three occasions: baseline and days 30 and 90. Follow-up examinations were conducted at 10 days and at 1, 3, 6, 9, and 12 months. Results: The use of minocycline resulted in significant improvements in probing depths compared to chlorhexidine at days 30, 90, and 180 (P = 0.5, P = 0.01, and P = 0.04, respectively). For the deepest sites of the minocycline-treated implants, the mean probing depth reduction was 0.6 mm at 12 months. Regarding bleeding on probing, significant differences between groups, based on all four sites at the implants, were found at days 30, 90, 180, 270, and 360. Both treatments resulted in a marked reduction in the indicator bacteria. Conclusions: The use of a repeated local antibiotic as an adjunct to the mechanical treatment of peri-implantitis lesions demonstrated improvements in probing depths that were significantly different from controls and were sustained for 6 months. The adjunctive use of minocycline microspheres is beneficial in the treatment of peri-implant lesions, but the treatment may have to be repeated.
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14. |
- Roos-Jansåker, Ann Marie, et al.
(författare)
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Nine- to fourteen-year follow-up of implant treatment. Part I : implant loss and associations to various factors.
- 2006
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Ingår i: Journal of Clinical Periodontology. - 0303-6979 .- 1600-051X. ; 33:4, s. 283-289
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: The aim of the present study was to evaluate the long-term result of implant therapy, using implant loss as outcome variable.MATERIAL AND METHOD: Two hundred and ninty-four patients had received implant therapy (Brånemark System) during the years of 1988-1992 in Kristianstad County, Sweden. The patients were recalled to the speciality clinic 1 and 5 years after placement of the suprastructure. Between 2000 and 2002, 9-14 years after implant placements, the patients were again called in for a complete clinical and radiographic examination.RESULTS: Two hundred and eighteen patients treated with 1057 implants were examined. Twenty-two patients had lost 46 implants and 12 implants were considered "sleeping implants". The overall survival rate was 95.7%. Implant loss appeared in a cluster in a few patients and early failures were most common. Eight patients lost more than one fixture. A significant relationship was observed between implant loss and periodontal bone loss of the remaining teeth at implant placement. Maxillary, as opposed to mandibulary implants, showed more implant loss if many implants were placed in the jaw. A significant relationship between smoking habits and implant loss was not found.CONCLUSION: A history of periodontitis seems to be related to implant loss.
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15. |
- Roos-Jansåker, Ann Marie, et al.
(författare)
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Nine- to fourteen-year follow-up of implant treatment. Part I : implant loss and associations to various factors.
- 2006
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Ingår i: Journal of Clinical Periodontology. - : Blackwell Munksgaard. - 0303-6979 .- 1600-051X. ; 33:4, s. 283-289
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: The aim of the present study was to evaluate the long-term result of implant therapy, using implant loss as outcome variable. MATERIAL AND METHOD: Two hundred and ninty-four patients had received implant therapy (Brånemark System) during the years of 1988-1992 in Kristianstad County, Sweden. The patients were recalled to the speciality clinic 1 and 5 years after placement of the suprastructure. Between 2000 and 2002, 9-14 years after implant placements, the patients were again called in for a complete clinical and radiographic examination. RESULTS: Two hundred and eighteen patients treated with 1057 implants were examined. Twenty-two patients had lost 46 implants and 12 implants were considered "sleeping implants". The overall survival rate was 95.7%. Implant loss appeared in a cluster in a few patients and early failures were most common. Eight patients lost more than one fixture. A significant relationship was observed between implant loss and periodontal bone loss of the remaining teeth at implant placement. Maxillary, as opposed to mandibulary implants, showed more implant loss if many implants were placed in the jaw. A significant relationship between smoking habits and implant loss was not found. CONCLUSION: A history of periodontitis seems to be related to implant loss.
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16. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Nine- to fourteen-year follow-up of implant treatment. Part II : presence of peri-implant lesions
- 2006
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Ingår i: Journal of Clinical Periodontology. - 0303-6979 .- 1600-051X. ; 33:4, s. 290-295
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: The aim of this study was to analyse the proportions of peri-implant lesions at implants after 9-14 years of function.MATERIAL AND METHODS: Two hundred and ninety-four patients underwent implant therapy during the years 1988-1992 in Kristianstad County. These individuals were recalled to the speciality clinic 1 and 5 years after placement of the suprastructure. Between 2000 and 2002, 218 patients with 999 implants were examined clinically and radiographically.RESULTS: Forty-eight per cent of the implants had probing depth > or =4 mm and bleeding on probing (peri-implant mucositis). In 20.4% of the implants, the bone level was located 3.1 mm apical to the implant shoulder. Progressive bone loss (> or =1.8 mm) during the observation period was found in 7.7% of the implants. Peri-implantitis defined as bone loss > or =1.8 mm compared with 1-year data (the apical border of the bony defect located at or apical to the third thread, i.e. a minimum of 3.1 mm apical to the implant shoulder), combined with bleeding on probing and or pus, were diagnosed among 16% of the patients and 6.6% of the implants.CONCLUSION: After 10 years in use without systematic supportive treatment, peri-implant lesions is a common clinical entity adjacent to titanium implants.
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17. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Nine- to fourteen-year follow-up of implant treatment. Part II : presence of peri-implant lesions
- 2006
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Ingår i: Journal of Clinical Periodontology. - : Blackwell Munksgaard. - 0303-6979 .- 1600-051X. ; 33:4, s. 290-295
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: The aim of this study was to analyse the proportions of peri-implant lesions at implants after 9-14 years of function. MATERIAL AND METHODS: Two hundred and ninety-four patients underwent implant therapy during the years 1988-1992 in Kristianstad County. These individuals were recalled to the speciality clinic 1 and 5 years after placement of the suprastructure. Between 2000 and 2002, 218 patients with 999 implants were examined clinically and radiographically. RESULTS: Forty-eight per cent of the implants had probing depth > or =4 mm and bleeding on probing (peri-implant mucositis). In 20.4% of the implants, the bone level was located 3.1 mm apical to the implant shoulder. Progressive bone loss (> or =1.8 mm) during the observation period was found in 7.7% of the implants. Peri-implantitis defined as bone loss > or =1.8 mm compared with 1-year data (the apical border of the bony defect located at or apical to the third thread, i.e. a minimum of 3.1 mm apical to the implant shoulder), combined with bleeding on probing and or pus, were diagnosed among 16% of the patients and 6.6% of the implants. CONCLUSION: After 10 years in use without systematic supportive treatment, peri-implant lesions is a common clinical entity adjacent to titanium implants.
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18. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Nine- to fourteen-year follow-up of implant treatment. Part III : factors associated with peri-implant lesions
- 2006
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Ingår i: Journal of Clinical Periodontology. - 0303-6979 .- 1600-051X. ; 33:4, s. 296-301
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: The aim of the present paper was to analyse, on patient and implant basis, factors related to peri-implant lesions.MATERIAL AND METHODS: Two hundred and eighteen patients treated with titanium implants were examined for biological complications at existing implants 9-14 years after initial therapy. The effects of several potentially explanatory variables, both on patient and on implant levels, were analysed.RESULTS: On the implant level, the presence of keratinized mucosa (p = 0.02) and plaque (p = 0.005) was associated with mucositis (probing depth > or =4 mm + bleeding on probing). The bone level at implants was associated with the presence of keratinized mucosa (p = 0.03) and the presence of pus (p < 0.001). On the patient level, smoking was associated with mucositis, bone level and peri-implantitis (p = 0.02, <0.001 and 0.002, respectively). Peri-implantitis was related to a previous history of periodontitis (p = 0.05).CONCLUSIONS: Individuals with a history of periodontitis and individuals who smoke are more likely to develop peri-implant lesions.
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19. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Nine- to fourteen-year follow-up of implant treatment. Part III : factors associated with peri-implant lesions
- 2006
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Ingår i: Journal of Clinical Periodontology. - : Blackwell Munksgaard. - 0303-6979 .- 1600-051X. ; 33:4, s. 296-301
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: The aim of the present paper was to analyse, on patient and implant basis, factors related to peri-implant lesions. MATERIAL AND METHODS: Two hundred and eighteen patients treated with titanium implants were examined for biological complications at existing implants 9-14 years after initial therapy. The effects of several potentially explanatory variables, both on patient and on implant levels, were analysed. RESULTS: On the implant level, the presence of keratinized mucosa (p = 0.02) and plaque (p = 0.005) was associated with mucositis (probing depth > or =4 mm + bleeding on probing). The bone level at implants was associated with the presence of keratinized mucosa (p = 0.03) and the presence of pus (p < 0.001). On the patient level, smoking was associated with mucositis, bone level and peri-implantitis (p = 0.02, <0.001 and 0.002, respectively). Peri-implantitis was related to a previous history of periodontitis (p = 0.05). CONCLUSIONS: Individuals with a history of periodontitis and individuals who smoke are more likely to develop peri-implant lesions.
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20. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Submerged healing following surgical treatment of peri-implantitis : a case series
- 2007
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Ingår i: Journal of Clinical Periodontology. - 0303-6979 .- 1600-051X. - 0303-6979 ; 34:8, s. 723-727
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: The aim was to study a regenerative surgical treatment modality for peri-implantitis employing submerged healing. Material and Methods: Twelve patients, having a minimum of one osseointegrated implant with peri-implantitis, with a progressive loss of >= 3 threads (1.8 mm) following the first year of healing were involved in the study. After surgical exposure of the defect, granulomatous tissue was removed and the implant surface was treated using 3% hydrogen peroxide. The bone defects were filled with a bone substitute (Algipore((R))), a resorbable membrane (Osseoquest((R))) was placed over the grafted defect and a cover screw was connected to the fixture. The implant was then covered by flaps and submerged healing was allowed for 6 months. After 6 months the abutment was re-connected to the supra-structure. Results: A 1-year follow-up demonstrated clinical and radiographic improvements. Probing depth was reduced by 4.2 mm and a mean defect fill of 2.3 mm was obtained. Conclusion: Treatment of peri-implant defects using a bone graft substitute combined with a resorbable membrane and submerged healing results in defect fill and clinical healthier situations.
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21. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Submerged healing following surgical treatment of peri-implantitis : a case series
- 2007
-
Ingår i: Journal of Clinical Periodontology. - : Blackwell Munksgaard. - 0303-6979 .- 1600-051X. ; 34:8, s. 723-727
-
Tidskriftsartikel (refereegranskat)abstract
- Objectives: The aim was to study a regenerative surgical treatment modality for peri-implantitis employing submerged healing. Material and Methods: Twelve patients, having a minimum of one osseointegrated implant with peri-implantitis, with a progressive loss of >= 3 threads (1.8 mm) following the first year of healing were involved in the study. After surgical exposure of the defect, granulomatous tissue was removed and the implant surface was treated using 3% hydrogen peroxide. The bone defects were filled with a bone substitute (Algipore((R))), a resorbable membrane (Osseoquest((R))) was placed over the grafted defect and a cover screw was connected to the fixture. The implant was then covered by flaps and submerged healing was allowed for 6 months. After 6 months the abutment was re-connected to the supra-structure. Results: A 1-year follow-up demonstrated clinical and radiographic improvements. Probing depth was reduced by 4.2 mm and a mean defect fill of 2.3 mm was obtained. Conclusion: Treatment of peri-implant defects using a bone graft substitute combined with a resorbable membrane and submerged healing results in defect fill and clinical healthier situations.
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22. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Surgical treatment of peri-implantitis using a bone substitute with or without a resorbable membrane : a prospective cohort study
- 2007
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Ingår i: Journal of Clinical Periodontology. - 0303-6979 .- 1600-051X. - 0303-6979 ; 34:7, s. 625-632
-
Tidskriftsartikel (refereegranskat)abstract
- Objectives: The aim of this prospective cohort study was to compare two regenerative surgical treatment modalities for peri-implantitis. Material and Methods: Thirty-six patients having a minimum of one osseointegrated implant, with a progressive loss of bone amounting to >= 3 threads (1.8 mm) following the first year of healing, combined with bleeding and/or pus on probing, were involved in this study. The patients were assigned to two different treatment strategies. After surgical exposure of the defect, granulomatous tissue was removed and the infected implant surface was treated using 3% hydrogen peroxide. The bone defects were filled with a bone substitute (Algipore((R))). In 17 patients (Group 1), a resorbable membrane (Osseoquest((R))) was placed over the grafted defect before suturing. In 19 patients (Group 2), the graft was used alone. Results: One-year follow-up demonstrated clinical and radiographic improvements. Probing depths were reduced by 2.9 mm in Group 1 and by 3.4 mm in Group 2. Defect fill amounted to 1.5 and 1.4 mm, respectively. There was no significant difference between the groups. Conclusion: It is possible to treat peri-implant defects with a bone substitute, with or without a resorbable membrane.
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23. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Surgical treatment of peri-implantitis using a bone substitute with or without a resorbable membrane : a prospective cohort study
- 2007
-
Ingår i: Journal of Clinical Periodontology. - : Blackwell Munksgaard. - 0303-6979 .- 1600-051X. ; 34:7, s. 625-632
-
Tidskriftsartikel (refereegranskat)abstract
- Objectives: The aim of this prospective cohort study was to compare two regenerative surgical treatment modalities for peri-implantitis. Material and Methods: Thirty-six patients having a minimum of one osseointegrated implant, with a progressive loss of bone amounting to >= 3 threads (1.8 mm) following the first year of healing, combined with bleeding and/or pus on probing, were involved in this study. The patients were assigned to two different treatment strategies. After surgical exposure of the defect, granulomatous tissue was removed and the infected implant surface was treated using 3% hydrogen peroxide. The bone defects were filled with a bone substitute (Algipore((R))). In 17 patients (Group 1), a resorbable membrane (Osseoquest((R))) was placed over the grafted defect before suturing. In 19 patients (Group 2), the graft was used alone. Results: One-year follow-up demonstrated clinical and radiographic improvements. Probing depths were reduced by 2.9 mm in Group 1 and by 3.4 mm in Group 2. Defect fillamounted to 1.5 and 1.4 mm, respectively. There was no significant difference between the groups. Conclusion: It is possible to treat peri-implant defects with a bone substitute, with or without a resorbable membrane.
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24. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
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Surgical treatment of peri-implantitis using a bonegraft substitute with or without a resorbable membrane : 3-year radiographic control
- 2009
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Ingår i: Europerio 6. ; , s. 24-
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Konferensbidrag (refereegranskat)abstract
- Background: Infection and inflammation in tissues adjacent to dental implants are common. There are few controlled studies assessing interventions. We assessed if mechanical debridement with titanium curettes, is equally effective as an ultrasonic device in reducing clinical signs of inflammation and the total bacterial load. Materials and methods: Thrity two subjects (mean age 62.5 S.D ± 11.7) with one implant each demonstrating peri-implantitis were randomized in two intervention groups. Clinical and microbiological data were obtained before and during 6 months. Group one received debridement using titanium hand-instruments and group two received ultrasonic treatment using a coated working end. Results: At the different time-points, data analysis by independent t–test, or Mann–Whitney U tests failed to demonstrate group differences. Comparing baseline data with results at 6 months (merged groups) demonstrated that overall PI scores and at implants decreased (mean diff: 20.2%, S.E ± 6.3, 95%CI: 7.0 to 32.7, P < 0.002) and (mean diff: 27.2% S.E ± 7.9, 95%CI: 11.3 to 43.1, P < 0.001). Bleeding scores at implants improved (P < 0.01). PPD scores at implants did not improve (P = 0.30). Conclusions: No differences in treatment outcomes between the two treatment methods studied were found. While PI and BOP scores improved no effects in PPD were identified.
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25. |
- Roos-Jansåker, Ann-Marie, et al.
(författare)
-
Surgical treatment of peri-implantitis using a bonegraft substitute with or without a resorbable membrane : 3-year radiographic control
- 2009
-
Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Background: Infection and inflammation in tissues adjacent to dental implants are common. There are few controlled studies assessing interventions. We assessed if mechanical debridement with titanium curettes, is equally effective as an ultrasonic device in reducing clinical signs of inflammation and the total bacterial load. Materials and methods: Thrity two subjects (mean age 62.5 S.D ± 11.7) with one implant each demonstrating peri-implantitis were randomized in two intervention groups. Clinical and microbiological data were obtained before and during 6 months. Group one received debridement using titanium hand-instruments and group two received ultrasonic treatment using a coated working end. Results: At the different time-points, data analysis by independent t–test, or Mann–Whitney U tests failed to demonstrate group differences. Comparing baseline data with results at 6 months (merged groups) demonstrated that overall PI scores and at implants decreased (mean diff: 20.2%, S.E ± 6.3, 95%CI: 7.0 to 32.7, P < 0.002) and (mean diff: 27.2% S.E ± 7.9, 95%CI: 11.3 to 43.1, P < 0.001). Bleeding scores at implants improved (P < 0.01). PPD scores at implants did not improve (P = 0.30). Conclusions: No differences in treatment outcomes between the two treatment methods studied were found. While PI and BOP scores improved no effects in PPD were identified.
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26. |
- Abrahamson, Magnus, et al.
(författare)
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Modification of cystatin C activity by bacterial proteinases and neutrophil elastase in periodontitis
- 1997
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Ingår i: Molecular Pathology. - 1366-8714. ; 50:6, s. 291-297
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Tidskriftsartikel (refereegranskat)abstract
- AIM: To study the interaction between the human cysteine proteinase inhibitor, cystatin C, and proteinases of periodontitis associated bacteria. METHODS: Gingival crevicular fluid samples were collected from discrete periodontitis sites and their cystatin C content was estimated by enzyme linked immunosorbent assay (ELISA). The interaction between cystatin C and proteolytic enzymes from cultured strains of the gingival bacteria Porphyromonas gingivalis, Prevotella intermedia, and Actinobacillus actinomycetemcomitans was studied by measuring inhibition of enzyme activity against peptidyl substrates, by detection of break down patterns of solid phase coupled and soluble cystatin C, and by N-terminal sequence analysis of cystatin C products resulting from the interactions. RESULTS: Gingival crevicular fluid contained cystatin C at a concentration of approximately 15 nM. Cystatin C did not inhibit the principal thiol stimulated proteinase activity of P gingivalis. Instead, strains of P gingivalis and P intermedia, but not A actinomycetemcomitans, released cystatin C modifying proteinases. Extracts of five P gingivalis and five P intermedia strains all hydrolysed bonds in the N-terminal region of cystatin C at physiological pH values. The modified cystatin C resulting from incubation with one P gingivalis strain was isolated and found to lack the eight most N-terminal residues. The affinity of the modified inhibitor for cathepsin B was 20-fold lower (Ki 5 nM) than that of full length cystatin C. A 50 kDa thiol stimulated proteinase, gingipain R, was isolated from P gingivalis and shown to be responsible for the Arg8-bond hydrolysis in cystatin C. The cathepsin B inhibitory activity of cystatin C incubated with gingival crevicular fluid was rapidly abolished after Val10-bond cleavage by elastase from exudate neutrophils, but cleavage at the gingipain specific Arg8-bond was also demonstrated. CONCLUSIONS: The physiological control of cathepsin B activity is impeded in periodontitis, owing to the release of proteinases from infecting P gingivalis and neutrophils, with a contribution to the tissue destruction seen in periodontitis as a probable consequence.
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27. |
- Abushahba, Faleh, et al.
(författare)
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Effect of grafting materials on osseointegration of dental implants surrounded by circumferential bone defects : an experimental study in the dog
- 2008
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Ingår i: Clinical Oral Implants Research. - 0905-7161 .- 1600-0501. ; 19:4, s. 329-334
-
Tidskriftsartikel (refereegranskat)abstract
- AIMS: This study was designed to evaluate the effect of gap width and graft placement on bone healing around implants placed into simulated extraction sockets in the mandibles of four beagle dogs. MATERIALS AND METHODS: Four Ti-Unite implants (13 mm x 3.3 mm) were placed on each side of the mandible. Three implants were surrounded by a 1.35 mm circumferential and a 5 mm deep gap around the coronal portion of the implants. A fourth implant was inserted conventionally into both sides of the mandibles as a positive control. The gaps were filled with either Bio-Oss, autogenous bone or with a blood clot alone. The study design was balanced for animal, side and modality. Ground sections were prepared from biopsies taken at 3 months, and computer-aided histometric measurements of bone/implant contact and area of bone within threads were made for the coronal 5 mm. Data were analysed using analysis of variance. RESULTS: The mean bone/implant contact was 9.8 mm for the control and ranged from 9.3 to 11.3 mm for the three test modalities. The corresponding values for area within threads were 1 mm(2) and 1-1.2 mm(2). Modality had a significant effect on both bone/implant contact (F=16.9; P<0.0001) and area within threads (F=16.7; P<0.0001). CONCLUSION: The results of this study suggest that both autogenous bone graft and Bio-Oss played an important role in the amount of hard tissue fill and osseointegration occurring within marginal bone defects around implants.
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28. |
- Abushahba, Faleh, et al.
(författare)
-
Effect of grafting materials on osseointegration of dental implants surrounded by circumferential bone defects : an experimental study in the dog
- 2008
-
Ingår i: Clinical Oral Implants Research. - : Blackwell Munksgaard. - 0905-7161 .- 1600-0501. ; 19:4, s. 329-334
-
Tidskriftsartikel (refereegranskat)abstract
- AIMS: This study was designed to evaluate the effect of gap width and graft placement on bone healing around implants placed into simulated extraction sockets in the mandibles of four beagle dogs. MATERIALS AND METHODS: Four Ti-Unite implants (13 mm x 3.3 mm) were placed on each side of the mandible. Three implants were surrounded by a 1.35 mm circumferential and a 5 mm deep gap around the coronal portion of the implants. A fourth implant was inserted conventionally into both sides of the mandibles as a positive control. The gaps were filled with either Bio-Oss, autogenous bone or with a blood clot alone. The study design was balanced for animal, side and modality. Ground sections were prepared from biopsies taken at 3 months, and computer-aided histometric measurements of bone/implant contact and area of bone within threads were made for the coronal 5 mm. Data were analysed using analysis of variance. RESULTS: The mean bone/implant contact was 9.8 mm for the control and ranged from 9.3 to 11.3 mm for the three test modalities. The corresponding values for area within threads were 1 mm(2) and 1-1.2 mm(2). Modality had a significant effect on both bone/implant contact (F=16.9; P<0.0001) and area within threads (F=16.7; P<0.0001). CONCLUSION: The results of this study suggest that both autogenous bone graft and Bio-Oss played an important role in the amount of hard tissue fill and osseointegration occurring within marginal bone defects around implants.
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29. |
- Adel-Khattab, Doaa, et al.
(författare)
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Evaluation of the FDI Chairside Guide for Assessment of Periodontal Conditions : A Multicentre Observational Study
- 2021
-
Ingår i: International Dental Journal. - : Elsevier B.V.. - 0020-6539 .- 1875-595X. ; 71:5, s. 390-398
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Tidskriftsartikel (refereegranskat)abstract
- Objective: There is a need to develop easy-to-use tools to screen periodontal condition in daily practice. This study aimed to evaluate the FDI World Dental Federation “Chairside Guide” (FDI-CG) developed by the Task Team of the FDI Global Periodontal Health Project (GPHP) as a potential tool for screening. Methods: Databases from 3 centres in Germany, Hong Kong, and Spain (n = 519) were used to evaluate the association of the FDI-CG and its individual items with the periodontitis case definitions proposed by the Centers for Disease Control and Prevention (CDC) and the American Academy of Periodontology (AAP) for population-based surveillance of periodontitis. Results: Statistically significant differences were observed among the databases for the prevalence of periodontitis and the items included in the FDI-CG. The FDI-CG score and its individual components were significantly associated with the periodontal status in the individual databases and the total sample, with bleeding on probing showing the strongest association with severe periodontitis (odds ratio [OR] = 12.9, 95% CI [5.9; 28.0], P < .001, for those presenting bleeding on probing >50%), followed by age (OR = 4.8, 95% CI [1.7; 4.2], P = .004, for those older than 65 years of age). Those subjects with a FDI-CG score >10 had an OR of 54.0 (95% CI [23.5; 124.2], P < .001) and presented with severe periodontitis. A significant correlation was found between the different FDI-CG scoring categories (mild, moderate, and severe) and the categories for mild, moderate, and severe periodontitis using the Centers for Disease Control and Prevention and the American Academy of Periodontology criteria (r = 0.57, Spearman rank correlation test, P < .001). Conclusion: The FDI Chairside Guide may represent a suitable tool for screening the periodontal condition by general practitioners in daily dental practice. © 2020 The Authors
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30. |
- Ademovski, Seida Erovic, et al.
(författare)
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The effect of periodontal therapy on intra-oral halitosis : a case series
- 2016
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Ingår i: Journal of Clinical Periodontology. - : John Wiley & Sons. - 0303-6979 .- 1600-051X. ; 43:5, s. 445-452
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Tidskriftsartikel (refereegranskat)abstract
- AIM: The aim of this study was to evaluate the effects of non-surgical periodontal therapy on intra-oral halitosis 3 months after therapy.MATERIAL AND METHODS: Sixty-eight adults with intra-oral halitosis were included in a case series. Intra-oral halitosis was evaluated at baseline, and at 3 months after treatment using the organoleptic scores (OLS), Halimeter® , and a gas chromatograph.RESULTS: Significant reductions for OLS (p < 0.01), total sum of volatile sulphur compounds (T-VSC) (p < 0.01) and methyl mercaptan (MM) (p < 0.05) values were found after treatment. Hydrogen sulphide (H2 S) levels were not significantly reduced. The numbers of probing pockets 4 mm, 5 mm and 6 mm were significantly reduced as a result of therapy (p < 0.001). Bleeding on probing (BOP) and plaque indices were also significantly reduced (p < 0.001). For the 34 individuals with successful periodontal treatment (BOP<20% and a ≥50% reduction of total pocket depth) reductions in OLS (p < 0.01) and T-VSC scores (p < 0.01) were found. Eleven individuals were considered effectively treated for intra-oral halitosis presenting with a T-VSC value <160 ppb, a H2 S value <112 ppb and a MM value <26 ppb.CONCLUSION: Non-surgical periodontal therapy resulted in reduction of OLS, MM and T-VSC values 3 months after therapy. Few individuals were considered as effectively treated for intra-oral halitosis.
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31. |
- Aeddula, Omsri, 1993-, et al.
(författare)
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A Solution with Bluetooth Low Energy Technology to Support Oral Healthcare Decisions for improving Oral Hygiene
- 2021
-
Ingår i: ACM International Conference Proceeding Series. - New York, NY, USA : Association for Computing Machinery (ACM). - 9781450389846 ; , s. 134-139
-
Konferensbidrag (refereegranskat)abstract
- The advent of powered toothbrushes and associated mobile health applications provides an opportunity to collect and monitor the data, however collecting reliable and standardized data from large populations has been associated with efforts from the participants and researchers. Finding a way to collect data autonomously and without the need for cooperation imparts the potential to build large knowledge banks. A solution with Bluetooth low energy technology is designed to pair a powered toothbrush with a single-core processor to collect raw data in a real-time scenario, eliminating the manual transfer of powered toothbrush data with mobile health applications. Associating powered toothbrush with a single-core processor is believed to provide reliable and comprehensible data of toothbrush use and propensities can be a guide to improve individual exhortation and general plans on oral hygiene quantifies that can prompt improved oral wellbeing. The method makes a case for an expanded chance to plan assistant capacities to protect or improve factors that influence oral wellbeing in individuals with mild cognitive impairment. The proposed framework assists with determining various parameters, which makes it adaptable and conceivable to execute in various oral care contexts
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32. |
- Aghazadeh, Ahmad, et al.
(författare)
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A single-center randomized controlled clinical trial on the adjunct treatment of intra-bony defects with autogenous bone or a xenograft : results after 12 months
- 2012
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Ingår i: Journal of Clinical Periodontology. - 0303-6979 .- 1600-051X. ; 39:7, s. 666-673
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Tidskriftsartikel (refereegranskat)abstract
- Background Limited evidence exists on the efficacy of regenerative treatment of peri-implantitis Materials and methods Subjects receiving antibiotics and surgical debridement were randomly assigned to placement of autogenous bone (AB) or bovine derived xenograft (BDX) with placement of a collagen membrane. The primary outcome was: evidence of radiographic bone fill and the secondary outcomes included reductions of probing depth (PD) bleeding on probing (BOP) and suppuration. Results 22 subjects were included in the AB and 23 subjects in the BDX group. Statistical analysis failed to demonstrate differences for 38/39 variables assessed at baseline. At 12 months, significant better results were obtained in the BDX group for bone levels (p < 0.001), BOP (p = 0.004), PI (p = 0.003), and suppuration (p < 0.01). When adjusting for number of implants treated per subject, a successful treatment outcome PD≤ 5.0 mm, no pus, no bone loss and BOP at 1/4 sites the likelihood of defect fill was higher in the BDX group (LR: 3.2, 95 % CI: 1.0 to 10.6, p < 0.05). Conclusions Bovine xenograft provided more radiographic bone fill than autogenous bone. The success for both surgical regenerative procedures was limited. Decreases in PD, BOP, and suppuration were observed.
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33. |
- Aghazadeh, Ahmad, et al.
(författare)
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A single-centre randomized controlled clinical trial on the adjunct treatment of intra-bony defects with autogenous bone or a xenograft : results after 12 months
- 2012
-
Ingår i: Journal of Clinical Periodontology. - : Wiley Blackwell. - 0303-6979 .- 1600-051X. ; 39:7, s. 666-673
-
Tidskriftsartikel (refereegranskat)abstract
- Background Limited evidence exists on the efficacy of regenerative treatment of peri-implantitis. Material and Methods Subjects receiving antibiotics and surgical debridement were randomly assigned to placement of autogenous bone (AB) or bovine-derived xenograft (BDX) and with placement of a collagen membrane. The primary outcome was evidence of radiographic bone fill and the secondary outcomes included reductions of probing depth (PD) bleeding on probing (BOP) and suppuration. Results Twenty-two subjects were included in the AB and 23 subjects in the BDX group. Statistical analysis failed to demonstrate differences for 38/39 variables assessed at baseline. At 12 months, significant better results were obtained in the BDX group for bone levels (p < 0.001), BOP (p = 0.004), PI (p = 0.003) and suppuration (p < 0.01). When adjusting for number of implants treated per subject, a successful treatment outcome PD = 5.0 mm, no pus, no bone loss and BOP at 1/4 or less sites the likelihood of defect fill was higher in the BDX group (LR: 3.2, 95% CI: 1.010.6, p < 0.05). Conclusions Bovine xenograft provided more radiographic bone fill than AB. The success for both surgical regenerative procedures was limited. Decreases in PD, BOP, and suppuration were observed.
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34. |
- Aghazadeh, Ahmad, et al.
(författare)
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Impact of bone defect morphology on the outcome of reconstructive treatment of peri-implantitis
- 2020
-
Ingår i: International journal of implant dentistry. - : Springer. - 2198-4034. ; 6:1
-
Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: To assess if (I) the alveolar bone defect configuration at dental implants diagnosed with peri-implantitis is related to clinical parameters at the time of surgical intervention and if (II) the outcome of surgical intervention of peri-implantitis is dependent on defect configuration at the time of treatment.MATERIALS AND METHODS: In a prospective study, 45 individuals and 74 dental implants with ≥ 2 bone wall defects were treated with either an autogenous bone transplant or an exogenous bone augmentation material. Defect fill was assessed at 1 year.RESULTS: At baseline, no significant study group differences were identified. Most study implants (70.7%, n = 53) had been placed in the maxilla. Few implants were placed in molar regions. The mesial and distal crestal width at surgery was greater at 4-wall defects than at 2-wall defects (p = 0.001). Probing depths were also greater at 4-wall defects than at 2-wall defects (p = 0.01). Defect fill was correlated to initial defect depth (p < 0.001). Defect fill at 4-wall defects was significant (p < 0.05).CONCLUSIONS: (I) The buccal-lingual width of the alveolar bone crest was explanatory to defect configuration, (II) 4-wall defects demonstrated more defect fill, and (III) deeper defects resulted in more defect fill.
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35. |
- Aghazadeh, Ahmad, et al.
(författare)
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Impact of bone defect morphology on the outcome of reconstructive treatment of peri-implantitis
- 2020
-
Ingår i: International Journal of Implant Dentistry. - : Springer. - 2198-4034. ; 6:1
-
Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: To assess if (I) the alveolar bone defect configuration at dental implants diagnosed with peri-implantitis is related to clinical parameters at the time of surgical intervention and if (II) the outcome of surgical intervention of peri-implantitis is dependent on defect configuration at the time of treatment.MATERIALS AND METHODS: In a prospective study, 45 individuals and 74 dental implants with ≥ 2 bone wall defects were treated with either an autogenous bone transplant or an exogenous bone augmentation material. Defect fill was assessed at 1 year.RESULTS: At baseline, no significant study group differences were identified. Most study implants (70.7%, n = 53) had been placed in the maxilla. Few implants were placed in molar regions. The mesial and distal crestal width at surgery was greater at 4-wall defects than at 2-wall defects (p = 0.001). Probing depths were also greater at 4-wall defects than at 2-wall defects (p = 0.01). Defect fill was correlated to initial defect depth (p < 0.001). Defect fill at 4-wall defects was significant (p < 0.05).CONCLUSIONS: (I) The buccal-lingual width of the alveolar bone crest was explanatory to defect configuration, (II) 4-wall defects demonstrated more defect fill, and (III) deeper defects resulted in more defect fill.
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36. |
- Aghazadeh, Ahmad
(författare)
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Peri-implantitis : risk factors and outcome of reconstructive therapy
- 2021
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This thesis is focused on (I) the outcome of reconstructive treatment of peri-implant defects and (II) risk factors for the development of peri-implantitis.BackgroundAn increasing number of individuals have dental implant-supported reconstructions. The long-time survival rate of dental implants is good, but complications do occur. Accumulation of bacteria on oral implants and the development of a pathogenic biofilm at the mucosal margin will result in inflammatory responses diagnosed as peri-implant mucositis(PiM). Furthermore, PiM may progress to peri-implantitis (Pi) involving the implant-supporting bone and potentially result in a severe inflammatory process resulting in alveolar bone destruction and consequently implantloss. Currently, Pi is a common clinical complication following implant therapy.The prevalence of peri-implantitis has been reported to be around 20 %. Susceptibility to infections and a history of periodontitis are considered as important risk indicators for peri-implantitis. It seems logical that a past history of periodontitis is linked to an increased risk of peri-implantitis. It is possible that other patient-associated factors such as a smoking habit, and presence of general diseases may also be linked to a higher risk for developing peri-implantitis.Treatment of peri-implantitis is difficult. Non-surgical treatment modalities may not be sufficient to resolve the inflammatory process to obtain healthy conditions.Surgical treatment of peri-implantitis has commonly been employed in clinical practice to obtain access to the implant surface thereby increasing the possibility to effectively decontaminate the implant surfaces.The effectiveness and long-term outcomes of reconstructive surgical treatments of peri-implantitis has been debated. The scientific evidence suggests that regular supportive care is an essential component in order to maintain and secure long-term results following treatment of peri-implantitis.Aims1. To assess the short-term efficacy of reconstructive surgical treatmentof peri-implantitis (Study I).2. To analyse risk factors related to the occurrence of peri-implantitis(Study II).3. To assess the importance of defect configuration on the healing response after reconstructive surgical therapy of peri-implantitis (Study III).4. To assess the long-term efficacy of reconstructive surgical treatmentof peri-implantitis (Study IV).MethodsFour studies were designed to fulfil the aims:- A single-blinded prospective randomised controlled longitudinal human clinical trial evaluating the clinical and radiographic results of reconstructive surgical treatment of peri-implantitis defects usingeither AB or BDX.- A retrospective analysis of individuals with either peri-implantitis, or presenting with either peri-implant health, or peri-implant mucositis assessing the likelihood that peri-implantitis was associated with a history of systemic disease, a history of periodontitis, and smoking.- A prospective study evaluating if the alveolar bone defect configuration at dental implants diagnosed with peri-implantitisis related to clinical parameters at the time of surgical intervention and if the short- and long-term outcome of surgical intervention of peri-implantitis is dependent on defect configuration at the time of treatment.- A prospective 5-year follow-up of patients treated either with AB or BDX.Results- The success for both surgical reconstructive procedures was limited. Nevertheless, bovine xenograft provided evidence of more radiographic bone fill than AB. Improvements in PD, BOP, and SUP were observed for both treatment modalities-In relation to a diagnosis of peri-implantitis, a high likelihood of comorbidity was expressed in the presence of a history of periodontitis and a medical history of cardiovascular disease- The buccal-lingual width of the alveolar bone crest was explanatory to defect configuration- 4-wall defects and deeper defects demonstrated more radiographic evidence of defect fill- Reconstructive surgical treatment of peri-implant defects may result in successful clinical outcomes, that can be maintained over at least five years- The use of BDX is more predictable than use of harvested bone from the patient (AB)ConclusionsThe study results suggest that a bovine xenograft provides better radiographic evidence of defect fill than the use of autogenous bone harvested from cortical autologous bone grafts.Treatment with bone grafts to obtain radiographic evidence of defect fill is more predictable at 3- and 4-wall defects than at peri-implantitis bone defects with fewer bone walls.In relation to a diagnosis of peri-implantitis, a high likelihood of comorbidity was found for a history of periodontitis and a history of cardiovascular disease.
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37. |
- Aghazadeh, Ahmad, et al.
(författare)
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Reconstructive treatment of peri-implant defects - Results after three and five years
- 2022
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Ingår i: Clinical Oral Implants Research. - : John Wiley & Sons. - 0905-7161 .- 1600-0501. ; 33:11, s. 1114-1124
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Tidskriftsartikel (refereegranskat)abstract
- Objectives The aim of this study was to assess the long-term efficacy of reconstructive treatment of peri-implantitis intraosseous defects. Material and Methods Peri-implant intraosseous defects were augmented using either an autogenous bone graft (AB) or a bovine-derived xenograft (BDX) in combination with a collagen membrane. Maintenance was provided every third month. Results In the AB group, 16 patients with 25 implants remained at year five. In the BDX group, 23 patients with 38 implants remained. Between baseline and year 5, bleeding on probing (BOP) and probing pocket depth (PPD) scores were reduced in both groups (p < .001). In the AB and BDX groups, mean PPD between baseline and year five was reduced by 1.7 and 2.8 mm, respectively. The difference between groups was significant (p < .001). In the AB group, the mean bone level change at implant level between baseline and years three and five was-0,2 and -0.7 mm, respectively. In the BDX group, the mean bone level change at implant level between baseline and years three and five was 1.6 and 1.6 mm, respectively. The difference between the groups was significant (p < .001). Successful treatment (no bone loss, no probing pocket depth (PPD) > 5 mm, no suppuration, maximum one implant surface with bleeding on probing (BOP) at year five) was obtained in 9/25 implants (36%) in the AB group and in 29/37 implants (78.3%) in the BDX group. Conclusions Reconstructive surgical treatment of peri-implant defects using BDX resulted in more predictable outcomes than using autogenous bone over 5 years.
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38. |
- Alhag, Mohamed, et al.
(författare)
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Re-osseointegration on rough implant surfaces previously coated with bacterial biofilm : an experimental study in the dog
- 2008
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Ingår i: Clinical Oral Implants Research. - 0905-7161 .- 1600-0501. ; 19:2, s. 182-7
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: The purpose of the study was to investigate whether osseointegration can occur on rough implant surfaces that previously had been coated with bacterial biofilm. MATERIALS AND METHODS: The premolars on both sides of the mandible in four beagle dogs were extracted. Following 3 months healing, three titanium implants Ti-Unite, Nobel Biocare were partially inserted in the left side of each mandible. Some threads protruded from the tissues into the oral cavity. Plaque accumulated on the exposed part of the implant. Following a 5-week healing period, the contaminated parts of each implant were treated using three different techniques: (1) swabbing with citric acid for 30 s followed by rinsing with physiological saline, (2) cleansing with a toothbrush and physiological saline for 1 min, and (3) swabbing with 10% hydrogen peroxide for 1 min followed by rinsing with physiological saline. The treated implants and one pristine implant (control) were installed to the full implant length on the contralateral sides of the mandibles. Following 11 weeks of healing, the dogs were sacrificed and biopsies were obtained. Ground sections were prepared for histomorphometric analysis. RESULTS: All treatment modalities were associated with direct bone-to-implant contact on the portion of implant surface previously exposed to the oral environment. CONCLUSIONS: The results demonstrate that rough surfaces, which were plaque contaminated and cleaned by different methods, can re-osseointegrate.
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39. |
- Alhag, Mohamed, et al.
(författare)
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Re-osseointegration on rough implant surfaces previously coated with bacterial biofilm : an experimental study in the dog
- 2008
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Ingår i: Clinical Oral Implants Research. - : Blackwell Munksgaard. - 0905-7161 .- 1600-0501. ; 19:2, s. 182-7
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: The purpose of the study was to investigate whether osseointegration can occur on rough implant surfaces that previously had been coated with bacterial biofilm. MATERIALS AND METHODS: The premolars on both sides of the mandible in four beagle dogs were extracted. Following 3 months healing, three titanium implants Ti-Unite, Nobel Biocare were partially inserted in the left side of each mandible. Some threads protruded from the tissues into the oral cavity. Plaque accumulated on the exposed part of the implant. Following a 5-week healing period, the contaminated parts of each implant were treated using three different techniques: (1) swabbing with citric acid for 30 s followed by rinsing with physiological saline, (2) cleansing with a toothbrush and physiological saline for 1 min, and (3) swabbing with 10% hydrogen peroxide for 1 min followed by rinsing with physiological saline. The treated implants and one pristine implant (control) were installed to the full implant length on the contralateral sides of the mandibles. Following 11 weeks of healing, the dogs were sacrificed and biopsies were obtained. Ground sections were prepared for histomorphometric analysis. RESULTS: All treatment modalities were associated with direct bone-to-implant contact on the portion of implant surface previously exposed to the oral environment. CONCLUSIONS: The results demonstrate that rough surfaces, which were plaque contaminated and cleaned by different methods, can re-osseointegrate.
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40. |
- Alotaibi, Mohammad, et al.
(författare)
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The effect of a decontamination protocol on contaminated titanium dental implant surfaces with different surface topography in edentulous patients
- 2019
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Ingår i: Acta Odontologica Scandinavica. - : Taylor and Francis Ltd. - 0001-6357 .- 1502-3850. ; 77:1, s. 66-75
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: To investigate if it is possible to achieve complete decontamination of dental implant surfaces with different surface characteristics. Materials and methods: Twelve implant pieces with an Osseotite® surface and 12 implant pieces with a Ti-Unite® surface were attached on to the complete lower dentures of six patients and were allowed to accumulate plaque for 30 days. When retrieved, the implant decontamination protocol used, involved both mechanical (PeriBrush™) and chemical (3% H2O2) decontamination. The number of colony forming units per millilitre was determined and the dominant micro-organisms in selected samples was identified by 16s rRNA gene amplicon sequencing. The effect of the titanium brush on the implant surface was examined by SEM. Results: Complete decontamination was achieved in five out of 24 implants (four Osseotite® and one Ti-Unite®). The mean CFU/ml detected after decontamination were 464.48 for Osseotite® and 729.09 for Ti-Unite® implants. On the surface of the implants in which complete decontamination was not achieved, all of the predominant bacteria identified were streptococci except for one which was identified as micrococcus. SEM images revealed that the surface features of the decontaminated implants were not significantly altered. Conclusions: Mechanical decontamination using a titanium brush supplemented with chemical treatment for one minute (3% H2O2) can achieve complete decontamination of implant surfaces in edentulous patients. © 2018, © 2018 Acta Odontologica Scandinavica Society.
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41. |
- Andersson, Pia, et al.
(författare)
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Comparison of oral health status on admission and at discharge in a group of geriatric rehabilitation patients
- 2003
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Ingår i: Oral health & preventive dentistry. - 1757-9996 .- 1602-1622. ; 1:3, s. 221-228
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: The aim of this study was to compare oral health status on a geriatric rehabilitation ward among patients who were assessed using the Revised Oral Assessment Guide (ROAG) on admission and at discharge; and to investigate in what respect the oral health procedures (OHP) suggested in ROAG were applied when oral health problems were detected. MATERIALS AND METHODS: Registered nurses on the ward performed oral health assessments using ROAG with 107 patients on admission and at discharge. When oral health problems were detected measures to be taken were suggested using ROAG. RESULTS: Oral health problems were common among the patients on admission (86%), as well as at discharge (51%). The frequency of the problems was significantly lower at discharge compared to admission. The OHP that were recommended in ROAG were completely followed when saliva flow-related problems were detected. Regarding other oral health problems, measures other than the recommended ones were often performed. CONCLUSION: This study demonstrated that the oral health was better at the end of the hospital stay compared to admission.
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42. |
- Andersson, Pia, et al.
(författare)
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Comparison of oral health status on admission and discharge in a group of geriatric rehabilitation patients
- 2003
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Ingår i: Oral Health and Preventive Dentistry. ; 1:3, s. 221-228
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to compare oral health status on a geriatric rehabilitation ward among patients who were assessed using the Revised Oral Assessment Guide (ROAG) on admission and at discharge; and to investigate in what respect the oral health procedures (OHP) suggested in ROAG were applied when oral health problems were detected. MATERIALS AND METHODS: Registered nurses on the ward performed oral health assessments using ROAG with 107 patients on admission and at discharge. When oral health problems were detected measures to be taken were suggested using ROAG. RESULTS: Oral health problems were common among the patients on admission (86%), as well as at discharge (51%). The frequency of the problems was significantly lower at discharge compared to admission. The OHP that were recommended in ROAG were completely followed when saliva flow-related problems were detected. Regarding other oral health problems, measures other than the recommended ones were often performed. CONCLUSION: This study demonstrated that the oral health was better at the end of the hospital stay compared to admission.
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43. |
- Andersson, P., et al.
(författare)
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Dental status in nursing home residents with domiciliary dental care in Sweden
- 2017
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Ingår i: Community Dental Health. - : F D I WORLD DENTAL PRESS LTD. - 0265-539X. ; 34:4, s. 203-207
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To describe the dental health status of elderly people in nursing homes receiving domiciliary dental care. Design: Case note review. Clinical setting: Nursing homes in 8 Swedish counties. Participants: Care dependent elderly people (>= 65 years). Methods: Clinical data, including the number of remaining natural teeth, missing and decayed teeth (manifest dental caries) and root remnants, recorded by dentists according to standard practices. Medical and dental risk assessments were performed. Results: Data were available for 20,664 patients. Most were women (69.1%), with a mean age of 87.1 years (SD 7.42, range 65-109). The mean age for men was 83.5 years (SD 8.12, range 65-105). Two or more medical conditions were present in most of the population. A total of 16,210 individuals had existing teeth of whom 10,974 (67.7%) had manifest caries. The mean number of teeth with caries was 5.0 (SD 5.93) corresponding to 22.8% of existing teeth. One in four individuals were considered to have a very high risk in at least one professional dental risk assessment category. Conclusions: Care dependent elderly in nursing homes have very poor oral health. There is a need to focus on the oral health-related quality of life for this group of frail elderly during their final period of life.
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44. |
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45. |
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46. |
- Andersson, Pia, et al.
(författare)
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Inter-rater reliability of an oral assessment guide for elderly patients residing in a rehabilitation ward
- 2002
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Ingår i: Special Care in Dentistry. - : Wiley. - 0275-1879 .- 1754-4505. ; 22:5, s. 181-186
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to test the inter-rater reliability of a revised oral assessment guide (ROAG) for patients residing in a geriatric rehabilitation ward. A consecutive sample of 140 patients was recruited for the study. Oral assessments were performed for 133 newly admitted patients by one registered nurse (RN) during a period of six months. A dental hygienist (DH) carried out 103 oral assessments during the same half-year. For 66 patients, the RN and the DH performed independent assessments. There was an agreement between the RN and the DH in the majority of the independent assessments, except for tongue and teeth/dentures. The percentage agreement exceeded 80 percent. Inter-rater agreement measured by Cohen's Kappa coefficient ranged from moderate to very good and percentage agreement had a range of 58 to 91 percent. The agreement was highest in assessment of voice and swallowing (91%). Assessments of teeth and dentures seemed to be most difficult for the RN to evaluate. ROAG was found to be a clinically useful assessment tool. Additional education and training is needed to improve the reliability of the oral assessments and should include continuous support from a dental hygienist as well as a pictorial manual on how to use the ROAG.
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47. |
- Andersson, Pia, et al.
(författare)
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Inter-rater reliability of an oral assessment guide för elderly patients residing in a rehabilitation ward
- 2002
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Ingår i: Special Care in Dentistry. - 0275-1879. ; 22:5, s. 181-186
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to test the inter-rater reliability of a revised oral assessment guide (ROAG) for patients residing in a geriatric rehabilitation ward. A consecutive sample of 140 patients was recruited for the study. Oral assessments were performed for 133 newly admitted patients by one registered nurse (RN) during a period of six months. A dental hygienist (DH) carried out 103 oral assessments during the same half-year. For 66 patients, the RN and the DH performed independent assessments. There was an agreement between the RN and the DH in the majority of the independent assessments, except for tongue and teeth/dentures. The percentage agreement exceeded 80 percent. Inter-rater agreement measured by Cohen's Kappa coefficient ranged from moderate to very good and percentage agreement had a range of 58 to 91 percent. The agreement was highest in assessment of voice and swallowing (91%). Assessments of teeth and dentures seemed to be most difficult for the RN to evaluate. ROAG was found to be a clinically useful assessment tool. Additional education and training is needed to improve the reliability of the oral assessments and should include continuous support from a dental hygienist as well as a pictorial manual on how to use the ROAG.
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48. |
- Andersson, Pia, et al.
(författare)
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Munhälsa hos äldre med demenssjukdom
- 2005
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Ingår i: Tandhygienisttidningen. 25(3). ; , s. 64-
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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49. |
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50. |
- Andersson, P, et al.
(författare)
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Oral health and nutritional status in a group of geriatric rehabilitation patients
- 2002
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Ingår i: Scandinavian Journal of Caring Sciences. - : Wiley. - 1471-6712 .- 0283-9318. ; 16:3, s. 311-318
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Tidskriftsartikel (refereegranskat)abstract
- The aims of this study were to evaluate the oral health status and nutritional status in a group of geriatric rehabilitation patients, and to analyse the relationship between these two parameters. Nurses at the ward performed structured assessments of oral and nutritional status using the Revised Oral Assessment Guide and the Subjective Global Assessment form in 223 newly admitted patients. Most oral health problems were found among patients who stayed longer at the hospital and were more dependent on help as compared with the healthier patients. Thirty-four per cent of the patients were either severely undernourished, at risk or suspected to be undernourished (UN). Oral health problems were more common among UN patients (p < 0.0005) compared with well-nourished patients. The most frequent oral health problem was found on teeth or dentures (48%). Problems related to the tongue and lips were also common among UN patients (56 and 44%, respectively). Oral health status was correlated (r = 0.32) to nutritional status. Problems with swallowing had the strongest association to the nutritional status (OR 6.05; 95% CI 2.41-15.18). This study demonstrated that poor oral health status was related to undernourishment.
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