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Prevalence of symptoms indicative of temporomandibular disorders in adults: cross-sectional epidemiological investigations covering two decades
Jönköping University, School of Health Science, HHJ, Dep. of Natural Science and Biomedicine. Jönköping University, School of Health Science, HHJ. Oral health.
Jönköping University, School of Health Science, HHJ. Oral health. Jönköping University, School of Health Science, HHJ, Dep. of Natural Science and Biomedicine.
Jönköping University, School of Health Science, HHJ. Oral health. Jönköping University, School of Health Science, HHJ, Dep. of Natural Science and Biomedicine.
2012 (English)In: Acta Odontologica Scandinavica, ISSN 0001-6357, Vol. 70, no 3, 213-223 p.Article in journal (Refereed) Published
Abstract [en]

Objectives. The aims were (1) to study possible secular trends in the prevalence of temporomandibular disorder (TMD) symptoms in adults and (2) to analyse possible associations between TMD symptoms and background factors. Materials and methods. The investigation has a repeated cross-sectional design. Three independent, randomly selected samples of 100 individuals in the age groups of 20, 30, 40, 50, 60 and 70 years, a total of 1704 subjects, participated in the Jönköping studies in 1983, 1993 and 2003. All the subjects were evaluated using a questionnaire and a structured interview relating to the presence of TMD symptoms. Associations between symptoms and the Anamnestic Dysfunction Index (Ai) as dependent variables and each of the independent variables, age group, gender, reported bruxism, trauma (1983), self-perceived health impairment and the year of investigation were analysed in binary logistic regression models. Results. The prevalence of the separate symptoms, apart from for TMJ clicking, did not vary to any statistically significant degree between the different examination years. However, the prevalence of recurrent headache in 20-year-old subjects rose remarkably in 2003 and an increase in the Ai I and Ai II for the whole population was observed during the 20-year period. Reported bruxism, which increased during the study period, and self-perceived health impairment were associated with most of the TMD symptoms and the Ai. Conclusions. An increase in the prevalence of TMD symptoms expressed as Anamnestic Dysfunction Index I and II has been noted over a 20-year period.

Place, publisher, year, edition, pages
2012. Vol. 70, no 3, 213-223 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:hj:diva-16986DOI: 10.3109/00016357.2011.634832PubMedID: 22126531OAI: oai:DiVA.org:hj-16986DiVA: diva2:471241
Available from: 2012-01-02 Created: 2012-01-02 Last updated: 2013-09-23Bibliographically approved
In thesis
1. On temporomandibular disorders: Time trends, associated factors, treatment need and treatment outcome
Open this publication in new window or tab >>On temporomandibular disorders: Time trends, associated factors, treatment need and treatment outcome
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

During the last few decades, and especially during the 1990s, an increase in musculoskeletal pain conditions and stress-related ill-health has been observed in Sweden. At the same time, an improvement in the oral health of the population has been noted. The overall aim of this thesis was to acquire knowledge relating to possible time trends for the presence of temporomandibular disorders (TMD) in the population. A further objective was to study factors that possibly influence the presence of these disorders and the outcome of their treatment.

Studies I–III are based on a series of repeated cross-sectional population-based investigations. Three independent samples of 130 individuals in the age groups of 3, 5, 10, 15, 20, 30, 40, 50, 60 and 70 years were randomly selected from the inhabitants of the city of Jonkoping, Sweden in 1983, 1993 and 2003. The total participation rate was 21%, 22% and 29% respectively. The participants were examined using a questionnaire, interview and a clinical examination of the stomatognathic system regarding the presence of symptoms and signs indicative of TMD. Study IV is a retrospective survey of a clinical sample of patients referred to and treated at the Department of Stomatognathic Physiology, The Institute for Postgraduate Dental Education, Jonkoping, in 1995–2002. The overall frequencies of symptoms and the rates for some clinical signs and consequently of an estimated treatment need in adults increased during the study period. In 2003, the prevalence of frequent headache in 20-year-olds, mainly females, had markedly increased. The reports of bruxism among adults increased from 1983 to 2003. Awareness of bruxism and self-perceived health impairment were associated with TMD symptoms and signs. A favourable treatment outcome was observed for the majority of patients with common TMD sub-diagnoses and no strong predictors of treatment outcome were found.

In conclusion, the results suggest some time trends towards an increased prevalence in the overall symptoms and some signs indicative of TMD in the Swedish adult population during the time period 1983–2003. A profound understanding of the social determinants of health is recommended when planning public health resources.

Place, publisher, year, edition, pages
Jönköping: School of Health Sciences, 2012. 120 p.
Series
Hälsohögskolans avhandlingsserie, ISSN 1654-3602 ; 38
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:hj:diva-19842 (URN)978-91-85835-37-9 (ISBN)
Public defence
2012-12-14, Forum Humanum, HHJ (School of Health Sciences), 13:00
Opponent
Supervisors
Available from: 2012-11-26 Created: 2012-11-16 Last updated: 2015-08-26Bibliographically approved

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