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Acta Odontológica Latinoamericana

versão On-line ISSN 1852-4834


PESQUEIRA, Aldiéris A et al. Relationship between psychological factors and symptoms of TMD in university undergraduate students. Acta odontol. latinoam. [online]. 2010, vol.23, n.3, pp.182-187. ISSN 1852-4834.

Temporomandibular disorders is a collective term used to describe a number of related disorders involving the temporomandibular joints, masticatory muscles and occlusion with common symptoms such as pain, restricted movement, muscle tenderness and intermittent joint sounds. The multifactorial TMD etiology is related to emotional tension, occlusal interferences, tooth loss, postural deviation, masticatory muscular dysfunction, internal and external changes in TMJ structure and the various associations of these factors. The aim of this study was to evaluate the prevalence of the relationship between signs of psychological distress and temporomandibular disorder in university students. A total 150 volunteers participated in this study. They attended different courses in the field of human science at one public university and four private universities. TMD was assessed by the Research Diagnostic Criteria (RDC) questionnaire. Anxiety was measured by means of a self-evaluative questionnaire, Spielberger’s Trait-State anxiety inventory, to evaluate students’ state and trait anxiety. The results of the two questionnaires were compared to determine the relationship between anxiety levels and severity degrees of chronic TMD pain by means of the chi-square test. The significance level was set at 5%. The statistical analysis showed that the TMD degree has a positive association with state-anxiety (p=0.008; p<0.05) and negative with trait-anxiety (p=0.619; p<0.05). Moreover, a high TMD rate was observed among the students (40%). This study concluded that there is a positive association between TMD and anxiety.

Palavras-chave : Temporomandibular joint disorders; Epidemiology; Questionnaires; Prevalence; Anxiety; Depression.

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