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Objectives: To investigate the common symptoms and severity of temporomandibular disorders (TMDs) in university students using Fonseca’s questionnaire, to assess the association between self-reported questionnaire-based bruxism and TMD and to determine the relationship of TMD to age, gender, and different levels of anxiety. Methods: Common TMD symptoms were diagnosed using Fonseca’s 10 questions. Bruxism was diagnosed using self-reported questionnaire-based bruxism. The level of anxiety was measured using Trait Anxiety section of Spielberger State-Trait Anxiety Inventory (STAI-T). Results: Out of 1100 questionnaires distributed, 745 completed questionnaires were received (response rate: 67.7%). Mean age was 21.62 ± 1.77. TMD was observed in 270 (44%) students. The most common symptoms of TMD were: have frequent headaches (53%), get tired/muscular pain while chewing (36%), and TMJ clicking while chewing or when they open their mouth (34%). The association between age and gender with TMD was not significant (p>0.1 and p>0.3 respectively). However, the association between bruxism habits and TMD levels revealed a statistically significant difference (p<0.000). Moreover, students with high level of anxiety had a 2.8 higher probability of developing TMD (95% CI: 0.3-26.7; P> 0.4). Conclusion: This study revealed a higher prevalence of TMD among college students, and described a strong relationship between this disorder and the levels of anxiety. Female students, older students, those with bruxism habits, and who considered anxious are more likely to develop TMD.
Rosane Cavalcante Fragoso, Brasil
Chief Scientific Officer and Head of a Research Group
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