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- Bondemark, Lars, et al.
(author)
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Funktionsstörningar och smärta
- 2008
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In: Tandläkartidningen. - 0039-6982. ; 100:9-10, s. 64-68
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Journal article (pop. science, debate, etc.)abstract
- Orofaciala funktionsstörningar och smärta är en sammanfattning av kliniska problem och sjukdomar som involverar bett, käkar, tuggmuskulatur, käkleder och omgivande strukturer. Orsakerna är oftast multifaktoriella för de barn, ungdomar och vuxna som drabbas.
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| 5. |
- Abrahamsson, Cecilia, et al.
(author)
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Alterations of temporomandibular disorders before and after orthognathic surgery
- 2007
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In: Angle orthodontist. - : Angle Orthodontist. - 0003-3219 .- 1945-7103. ; 77:4, s. 729-734
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Research review (other academic/artistic)abstract
- OBJECTIVE: To answer the question whether orthognathic surgery does affect the prevalence of signs and symptoms of temporomandibular disorders (TMDs). MATERIALS AND METHODS: A literature survey in the PubMed and Cochrane Library electronic databases was performed and covered the period from January 1966 to April 2006. The inclusion criteria were controlled, prospective or retrospective studies comparing TMDs before and after orthognathic surgery in patients with malocclusion. There were no language restrictions, and three reviewers selected and extracted the data independently. The quality of the retrieved articles was evaluated by four reviewers. RESULTS: The search strategy resulted in 467 articles, of which 3 met the inclusion criteria. Because of few studies with unambiguous results and heterogeneity in study design, the scientific evidence was insufficient to evaluate the effects that orthognathic surgery had on TMD. Moreover, the studies had problems with inadequate selection description, confounding factors, and lack of method error analysis. CONCLUSION: To obtain reliable scientific evidence, additional well-controlled and well-designed studies are needed to determine how and if orthognathic surgery alters signs and symptoms of TMD.
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| 6. |
- Abrahamsson, Cecilia, et al.
(author)
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TMD in consecutive patients referred for orthognathic surgery
- 2009
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In: Angle orthodontist. - : The Angle Orthodontist (EH Angle Education & Research Foundation). - 0003-3219 .- 1945-7103. ; 33:4, s. 201-226
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Journal article (peer-reviewed)abstract
- OBJECTIVE: To answer the question whether temporomandibular disorders (TMD) were more common in a group of individuals referred for orthognathic surgery than in a control group. The null hypothesis was that neither the frequency of signs and symptoms of TMD or diagnosed TMD would differ between the patient group and a control group. MATERIALS AND METHODS: A sample of 121 consecutive patients referred for orthognathic surgery at the Department of Oral Maxillofacial Surgery, Malmö University Hospital, Sweden, was interviewed and examined regarding signs and symptoms of TMD and headaches. A control group was formed by 56 age- and gender-matched individuals attending the Department of Oral Diagnosis, Faculty of Odontology, Malmö University, Sweden, and Public Dental Health Clinic in Oxie, County of Skane, Sweden. TMD diagnoses were used according to Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD). RESULTS: The patient group showed more myofascial pain without limited opening, disc displacement with reduction, and arthralgia according to RDC/TMD than the control group. The patient group also had more symptoms and signs of TMD in general. CONCLUSIONS: The null hypothesis was rejected because patients who were to be treated with orthognathic surgery had more signs and symptoms of TMD and higher frequency of diagnosed TMD compared with the matched control group.
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| 7. |
- Bjerklin, Krister, et al.
(author)
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Ectopic maxillary canines and root resorption of adjacent incisors Does computed tomography (CT) influence decision-making by orthodontists?
- 2008
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In: Swedish Dental Journal. - : Swedish Dental Association. - 0347-9994. ; 32:4, s. 179-186
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Journal article (peer-reviewed)abstract
- The purpose of this investigation was to evaluate whether access to computed tomography (CT) influences orthodontists' decision-making about management of incisor root resorption due to ectopic maxillary canines. The study base comprised orthodontic specialists and active members of the Swedish Orthodontic Society: 182 orthodontists under 65 years of age, who had been registered specialists for at least one year and were providing specialist treatment for regular orthodontic patients. A questionnaire was sent out, comprising 8 questions about management and decision-making in cases of ectopic maxillary canines with root resorption of adjacent incisors and 7 questions about practice profile. The orthodontists were asked whether they altered their treatment decisions when CT was available as a diagnostic tool. The response rate was high, 86%. Sixty of the orthodontists had access to CT. Sixty-one percent of the 97 orthodontists without access to CT stated that, in cases with space deficiency, they seldom or never considered extraction of a lateral incisor with suspected root resorption if the resorption was not discernible on intra-oral or panoramic radiographs. It was evident that even in cases of root resorption of lateral incisors due to ectopic canines, the orthodontists' management decisions were not particularly influenced by availability of CT diagnostic data. In the extraction cases 55% of the orthodontists considered extraction of the affected incisor first when root resorption was severe, i.e. involving the pulp and 37% when the resorption reached half way to the pulp. in cases without space deficiency 82% preferred to extract these resorbed lateral incisors not until the resorption reached the pulp.
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| 8. |
- Bjerklin, Krister, et al.
(author)
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Management of ectopic maxillary canines : variations among orthodontists
- 2008
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In: Angle orthodontist. - : The Angle Orthodontist (EH Angle Education & Research Foundation). - 0003-3219 .- 1945-7103. ; 78:5, s. 852-859
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Journal article (peer-reviewed)abstract
- OBJECTIVE: To document and analyze factors involved in decision-making by orthodontists in managing disturbances of eruption of maxillary canines. MATERIAL AND METHODS: The participants comprised orthodontic specialists and active members of the Swedish Orthodontic Society. Those selected for the study sample were under 65 years of age or younger and had been treating orthodontic patients for at least 1 year as a specialist. Three typical cases were presented for treatment proposals. The case notes, including radiographs and specific background data, were sent to the 182 selected orthodontists. The orthodontists were also requested to complete a questionnaire about practice profile, comprising eight questions. RESULTS: The response rate was 86.3%; yielding 157 participants (mean age 53.8 years, SD 8.12). Analysis disclosed no differences between responders and nonresponders regarding age, gender, and years of specialist practice. For treatment plans based on panoramic radiographs, intraoral radiographs, and status and anamnesis, there was general consensus. However, when supplementary information from computer tomography (CT) was provided, disclosing root resorption half-way to the pulp or more on the lateral incisor, the orthodontists' treatment proposals varied. Gender, age, and practice profile of the orthodontists had little association with the decision-making. CONCLUSIONS: Supplementary CT information led to variations in decision-making with respect to treatment of eruption disturbances of maxillary canines. This lack of consensus among specialist orthodontists can have negative implications for patients.
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| 9. |
- Bondemark, Lars, et al.
(author)
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A Systematic Review of Swedish Research in Orthodontics during the Past Decade.
- 2005
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In: Acta Odontologica Scandinavica. - : Informa Healthcare. - 0001-6357 .- 1502-3850. ; 62:1, s. 46-50
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Research review (other academic/artistic)abstract
- The aims of this systematic review were to identify the study designs and topics of Swedish orthodontic articles, to elucidate their interna-tional position, and to verify in which scientific journals the articles had been published in the past decade. A search of the Medline data-base for papers published between 1992 and 2002 was made using the Medical Search Heading terms 'orthodontics', 'malocclusion', 'cepha-lometry', and 'facial bones and growth'. Two independent reviewers selected the articles of Swedish origin and categorized each article ac-cording to research design and principal topic. Overall, 15,571 articles in orthodontic research were found, and the Swedish contribution was 1.9% with the majority of these (71.5%) being submitted by universi-ties. Most of the Swedish articles (84.5%) had been published in 10 journals and many high-quality studies with orthodontic interest were published in non-orthodontic journals with higher impact factor scores than the orthodontic journals. Every second study was prospec-tive, and of these, 15 (5.2% of all Swedish articles) were randomized clinical trials (RCTs). It was found that nearly every third study, pro-spective as well as retrospective, was uncontrolled. The main classifi-cation was treatment studies (51.9%), followed by development (18.6%) and diagnostic information (10.7%) studies. Thus, the major-ity of the articles evaluated therapeutic interventions; however, al-though the RCT is the preferred study design in evaluation studies, few used this method. In an era focused on evidence-based medicine, studies with an RCT design will be the future challenge for research in the field of orthodontics.
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| 10. |
- Bondemark, Lars, et al.
(author)
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Anchorage Provided during Intra-arch Distal Molar Movement : a Comparison between the Nance Appliance and a Fixed Frontal Bite Plane
- 2005
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In: Angle orthodontist. - : Angle Society. - 0003-3219 .- 1945-7103. ; 75:3, s. 437-443
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Journal article (other academic/artistic)abstract
- The aim of this retrospective study was to evaluate and compare the anchorage provided with the Nance appliance (NA) and the fixed frontal bite plane (FBP) during intra-arch distal molar movement. After a sample size calculation, 20 patients were recruited and randomly selected for each group from patients who fulfilled the following criteria: use of an intra-arch Ni-Ti coil appliance with either NA or FBP to provide anchorage during a six-month molar distalization period, no orthodontic treatment before molar distalization, and first and second maxillary molars in occlusion. The outcome measures assessed were anchorage loss, ie, anterior movement of maxillary central incisors, distal movement of maxillary molars, and bite opening effect. The mean age in the NA group was 14.7 years (SD 1.09) and in the FBP group 15.0 years (SD 0.99). The data revealed that the maxillary central incisors moved anteriorly 1.4 mm in the NA group and 1.9 mm in the FBP group. The difference in anchorage loss was not significant. The mean amount of molar distalization within the maxilla was 1.7 mm in the NA group and 1.8 mm in the FBP group. In both groups, the overbite was significantly reduced and the overbite was decreased significantly more in the FBP group. Because neither the NA nor FBP provided stable anchorage, a second treatment phase is recommended to reverse the anchorage loss after distal molar movement. If molar distalization is planned in deep bite cases, the FBP is the anchorage system of choice.
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