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J Dent Res Dent Clin Dent Prospects. 2011;5(4): 123-127.
  Abstract View: 750
  PDF Download: 549

Original Article

Temporomandibular Disorders and Related Factors in a Group of Iranian Adolescents: A Cross-sectional Survey

Masoumeh Ebrahimi 1,2*, Hossein Dashti 1,3, Maryam Mehrabkhani 1,2, Mohammad Arghavani 4, Avideh Daneshvar-Mozafari 4

1 Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
2 Assistant Professor, Department of Pediatric Dentistry, Dental School, Mashhad University of Medical Sciences, Mashhad, Iran
3 Assistant Professor, Department of Prosthodontics, Dental School, Mashhad University of Medical Sciences, Mashhad, Iran
4 Dentist, Private Practice, Mashhad, Iran
*Corresponding Author: *Corresponding Author;, Email: ebrahimima@mums.ac.ir

Abstract

Background and aims. Temporomandibular disorders (TMDs) are the most common condition affecting the temporomandibular joint and associated structures. The aim of this study was the epidemiologic evaluation of TMDs and related factors in a group of Iranian adolescents.

Materials and methods. This descriptive cross-sectional survey included a sample of 800 high school students (400 girls and 400 boys) aged 14 to18 years, in Mashhad, Iran, selected using cluster sampling. Examiners completed questionnaires and performed the clinical examinations. Data were analyzed with the Chi-square and Fisher exact tests.

Results. The prevalence of TMDs in the studied sample was 34.7%. The most common signs of TMDs were clicking, muscle tenderness and TMJ tenderness. The most prevalent predisposing factors of TMDs were clenching, premature contact in protrusive movement and bruxism. A clear predominance was seen in girls (40.5%) compared with boys (29%) (P = 0.001).

Conclusion. Signs and symptoms of TMDs were prevalent in Iranian adolescents with a clear female predominance

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Submitted: 15 May 2011
Accepted: 25 Jul 2011
ePublished: 26 Jun 2017
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