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Sökning: L773:1472 6831 > Refereegranskat > Engelska

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11.
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12.
  • Hongxing, Li, et al. (författare)
  • Validity and reliability of OIDP and OHIP-14: a survey of Chinese high school students
  • 2014
  • Ingår i: BMC Oral Health. - : BioMed Central. - 1472-6831 .- 1472-6831. ; 14:158, s. 1-10
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: To determine the impact of oral diseases on everyday life, measures of oral quality of life are needed. In complementing traditional disease-based measures, they assess the need for oral care to evaluate oral health care programs and management of treatment. To assess the reliability and validity of the Oral Impact of Daily Performance (OIDP) and the short-form Oral Health Impact Profile (OHIP-14) among high school students in Xian, the capital of Shanxi province, China. Methods: Cross-sectional one-stage stratified random cluster sample using high schools as the primary sampling unit. Students completed self-administered questionnaires at school. The survey included the OHIP-14 and OIDP inventories, translated and culturally adapted for China, and global oral health and socio-behavioral measures. Results: A total of 5,608 students participated in the study, with a 93% response rate (mean age 17.2, SD 0.8, 52% females, 45.3% urban residents). The proportion experiencing at least one impact (at any frequency) during the previous six months was 62.9% for the OHIP-14 and 45.8% for the OIDP. Cronbachs alpha measured internal consistency at 0.85 for OHIP-14 and 0.75 for OIDP while Cohens kappa varied between 0.27 and 0.58 for OHIP-14 items and between 0.23 and 0.65 for OIDP items. Kappa scores for the OHIP-14 and OIDP additive scores were 0.52 and 0.66, respectively. Both measures varied systematically and in the expected direction, with global oral health measures showing criterion validity. The correlation between OIDP and OHIP-14 was r(s) + 0.65. That both measures varied systematically with socio-behavioral factors indicates construct validity. Conclusion: Both the OIDP and OHIP-14 inventories had reasonable reliability and construct validity in relation to subjective global oral health indicators among adolescents attending high schools in China and thus appear to be useful oral health -related quality of life measures in this context. Overall, the OHIP-14 and OIDP performed equally well, although OHIP-14 had superior content validity due to its sensitivity towards less severe impacts.
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13.
  • Hänsel Petersson, Gunnel, et al. (författare)
  • Caries risk assessment in schoolchildren using a reduced Cariogram model
  • 2010
  • Ingår i: BMC Oral Health. - : Springer Science and Business Media LLC. - 1472-6831 .- 1472-6831. ; 10
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: To investigate the caries predictive ability of a reduced Cariogram model without salivary tests in schoolchildren. METHODS: The study group consisted of 392 school children, 10-11 years of age, who volunteered after informed consent. A caries risk assessment was made at baseline with aid of the computer-based Cariogram model and expressed as "the chance of avoiding caries" and the children were divided into five risk groups. The caries increment (DeltaDMFS) was extracted from the dental records and bitewing radiographs after 2 years. The reduced Cariogram was processed by omitting the variables "salivary mutans streptococci", "secretion rate" and "buffer capacity" one by one and finally all three. Differences between the total and reduced models were expressed as area under the ROC-curve. RESULTS: The baseline caries prevalence in the study population was 40% (mean DMFS 0.87 +/- 1.35) and the mean 2-year caries increment was 0.51 +/- 1.06. Both Cariogram models displayed a statistically relationship with caries development (p < 0.05); more caries was found among those assessed with high risk compared to those with low risk. The combined sensitivity and specificity decreased after exclusion of the salivary tests and a statistically significant reduction of the area under the ROC-curve was displayed compared with the total Cariogram (p < 0.05). Among the salivary variables, omission of the mutans streptococci enumeration impaired the predictive ability the most. CONCLUSIONS: The accuracy of caries prediction in school children was significantly impaired when the Cariogram model was applied without enumeration of salivary tests.
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14.
  • Hänsel Petersson, Gunnel, et al. (författare)
  • Caries risk assessment in young adults : a 3 year validation of the Cariogram model
  • 2015
  • Ingår i: BMC Oral Health. - : BioMed Central. - 1472-6831 .- 1472-6831. ; 15:17
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: To validate baseline caries risk classifications according to the Cariogram model with the actual caries development over a 3-year period in a group of young adults living in Sweden. Methods: The study group consisted of 1,295 19-year-old patients that completed a comprehensive clinical baseline examination, including radiographs and salivary tests. An individual caries risk profile was computed and the patient was placed in one of five risk categories. After 3 years, 982 patients (75.8%) were re-examined and caries increment for each patient was calculated. The outcome was expressed as sensitivity, specificity and predictive values and compared with a risk assessment scheme used in Public Dental Service. Results: The drop-outs displayed more risk factors and a significantly higher caries burden at baseline compared with those that remained in the project (p < 0.05). There was a strong association between the Cariogram risk categories and the 3-year caries increment on cavity level but the predictive values were modest. The high or very high caries risk categories yielded high specificities (>90%) but poor sensitivities. The low risk groups displayed higher sensitivities on expense of impaired specificities. No combinations proved clinically useful values according to Yuoden's index. Conclusions: Within the limitations of the present study, the computer-based Cariogram did not perform better than a caries risk assessment scheme based on past caries experience and caries progression, over a 3-year period in young adults.
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15.
  • Ingemansson Hultquist, Ann, et al. (författare)
  • Risk factors for early colonization of mutans streptococci - a multiple logistic regression analysis in Swedish 1-year-olds
  • 2014
  • Ingår i: BMC Oral Health. - : BioMed Central. - 1472-6831 .- 1472-6831. ; 14:147
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Mutans streptococci (MS) are closely related to the development of dental caries and are usually established in the oral cavity during early childhood. The aim of the study was to identify factors associated with the presence of MS in Swedish 1-year-olds. Methods: Parents completed a questionnaire on different caries-associated factors and an oral bacterial sample was collected from 1,050 (526 boys, 524 girls) 1-year-olds. Multiple logistic regression analyses were performed to identify risk factors for colonization with MS. Results: MS were found in 27% of the 1-year-olds with teeth. High or very high MS scores (2-3) were found in 72 (7%) of the children. MS score was correlated to the number of erupted teeth (p less than 0.001). No difference due to gender was found. Multiple logistic regression analysis showed that presence of bacteria was associated with: caries in a sibling, other beverages than water between meals, and more than 8 erupted teeth. High or very high MS scores (2-3) were associated with other beverages than water between meals, and more than 8 erupted teeth. Conclusions: Number of teeth present, diet and family aspects were factors associated with presence of MS in 1-year-olds. To develop high or very high MS scores, the number of erupted teeth and dietary habits are important.
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16.
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17.
  • Mannaa, Alaa, et al. (författare)
  • Supragingival plaque microbial analysis in reflection to caries experience.
  • 2013
  • Ingår i: BMC oral health. - : Springer Science and Business Media LLC. - 1472-6831. ; 13
  • Tidskriftsartikel (refereegranskat)abstract
    • ABSTRACT: BACKGROUND: Dental caries develops as a result of the metabolism of carbohydrates by cariogenic bacteria present in a complex biofilm. The present study aimed to examine if bacteria in pooled supragingival plaque samples quantified using a "checkerboard DNA-DNA hybridization" based panel of caries-related bacteria, could reflect the caries experience in a manner similar to saliva samples analysed using a chair-side method in a previous investigation. METHODS: A total of 86 mothers and their children aged 4-6 years and 12-16 years old participated. Caries experience (DMFT/dmft; Decayed, Missing and Filled Teeth for permanent and primary teeth) was registered clinically and radiographically. Caries was recorded at the D3 level (caries into dentine). The D/d component was divided into three categories. A pooled supragingival plaque sample per participant was obtained from posterior approximal sites. Analyses of 15 bacterial species were performed using the checkerboard DNA-DNA hybridisation technique. RESULTS: No significant relationships were found between the bacterial scores and DMFT/dmft nor D/d groups. CONCLUSIONS: Unlike the saliva samples and the chair-side method, interproximal pooled plaque samples analysed using the "checkerboard DNA-DNA hybridization technique" did not reveal any significant relations between the bacterial counts and the caries experience.
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18.
  • Molarius, Anu, et al. (författare)
  • Socioeconomic differences in self-rated oral health and dental care utilisation after the dental care reform in 2008 in Sweden
  • 2014
  • Ingår i: BMC Oral Health. - : BioMed Central. - 1472-6831 .- 1472-6831. ; 14
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The aims of this study were to determine self-rated oral health and dental attendance habits among Swedish adults, with special reference to the role of social inequalities, after the Swedish dental care reform in 2008. Methods: The study is based on a survey questionnaire, sent to 12,235 residents of a Swedish county, in 2012. The age group was 16-84 years: 5,999 (49%) responded. Using chi-square statistics, differences in prevalence of self-rated oral health and regular dental attendance were analysed with respect to gender, age, educational level, family status, employment status and country of birth. Self-rated poor oral health was analysed by multivarite logistic regression adjusting for the different socio-demographic factors, financial security and having refrained from dental treatment for financial reasons. Results: Three out of four respondents (75%) reported fairly good or very good oral health. Almost 90% claimed to be regular dental attenders. Those who were financially secure reported better oral health. The differences in oral health between those with a cash margin and those without were large whereas the differences between age groups were rather small. About 8% reported that they had refrained from dental treatment for financial reasons during the last three months. Self-rated poor oral health was most common among the unemployed, those on disability pension or on long-term sick leave, those born outside the Nordic countries and those with no cash margin (odds ratios ranging from 2.4 to 4.4). The most important factor contributing to these differences was having refrained from dental treatment for financial reasons. Conclusion: The results are relevant to strategies intended to reduce social inequalities in oral health, affirming the importance of the provision of equitable access to dental care.
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19.
  • Nordlund, Åke, et al. (författare)
  • Improved ability of biological and previous caries multimarkers to predict caries disease as revealed by multivariate PLS modelling
  • 2009
  • Ingår i: BMC Oral Health. - : Springer Science and Business Media LLC. - 1472-6831 .- 1472-6831. ; 9, s. 28-
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Dental caries is a chronic disease with plaque bacteria, diet and saliva modifying disease activity. Here we have used the PLS method to evaluate a multiplicity of such biological variables (n = 88) for ability to predict caries in a cross-sectional (baseline caries) and prospective (2-year caries development) setting. METHODS: Multivariate PLS modelling was used to associate the many biological variables with caries recorded in thirty 14-year-old children by measuring the numbers of incipient and manifest caries lesions at all surfaces. RESULTS: A wide but shallow gliding scale of one fifth caries promoting or protecting, and four fifths non-influential, variables occurred. The influential markers behaved in the order of plaque bacteria > diet > saliva, with previously known plaque bacteria/diet markers and a set of new protective diet markers. A differential variable patterning appeared for new versus progressing lesions. The influential biological multimarkers (n = 18) predicted baseline caries better (ROC area 0.96) than five markers (0.92) and a single lactobacilli marker (0.7) with sensitivity/specificity of 1.87, 1.78 and 1.13 at 1/3 of the subjects diagnosed sick, respectively. Moreover, biological multimarkers (n = 18) explained 2-year caries increment slightly better than reported before but predicted it poorly (ROC area 0.76). By contrast, multimarkers based on previous caries predicted alone (ROC area 0.88), or together with biological multimarkers (0.94), increment well with a sensitivity/specificity of 1.74 at 1/3 of the subjects diagnosed sick. CONCLUSION: Multimarkers behave better than single-to-five markers but future multimarker strategies will require systematic searches for improved saliva and plaque bacteria markers.
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20.
  • Söderström, Ulf, et al. (författare)
  • A retrospective analysis of caries treatment and development in relation to assessed caries risk in an adult population in Sweden.
  • 2014
  • Ingår i: BMC Oral Health. - : Springer Science and Business Media LLC. - 1472-6831 .- 1472-6831. ; 14:1, s. 126-
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The Public Dental Service of Västerbotten County (Sweden) recommends using population-based prevention strategies combined with an individual strategy for high-risk patients to manage caries. To facilitate this management strategy, all patients are evaluated for their risk of developing caries in the coming year using defined criteria. Using caries risk scoring over a seven-year period, the present study evaluates prophylactic measures, caries development, and non-operative treatments in adult patients.METHODS: From all adult patients (25-65 years; n = 76 320) scored with a high caries risk in 2005 (baseline) and with a dental visit in 2011, 200 subjects were randomly selected. In addition, an equally sized control group with a no/low caries risk was selected. Information concerning dental status, counselling, treatments, visits, and costs were retrieved from dental records.RESULTS: Over the seven-year study period, subjects with high caries risk had significantly higher caries incidence in spite of shorter recall intervals, more dental appointments, and higher costs for dental care than subjects with no/low caries risk. Non-operative measures, such as additional fluoride and individual counselling on diet at baseline (2005), was higher in the high caries risk group, whereas information about basic prophylaxis and counselling on oral hygiene showed only small differences. The frequency of non-operative measures given during the seven-year study period to patients in the high caries risk group is considered to be remarkably low and improvement, determined as reclassification from high to no/low caries risk from 2005 to 2011, was seen in only 13% of the participants.CONCLUSIONS: This study formulated two major conclusions. First, adult patients with high or no/low caries represent different populations, that each contain distinct subpopulations, those who improve/impair or maintained their caries risk and disease progression. These groups need different strategies in disease treatment. Second, preventive measures and non-operative treatments were associated with improvements in caries risk and maintenance, but the extent to which such treatments were given to high caries risk subjects was unacceptably low. Improved adherence to the guidelines for caries treatment may reduce caries risk, visits to dental clinics, and costs for the patients.
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