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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN:
Vol. 13, No. 4, 2014, pp. 281-287
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Bioline Code: os14053
Full paper language: English
Document type: Research Article
Document available free of charge
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Brazilian Journal of Oral Sciences, Vol. 13, No. 4, 2014, pp. 281-287
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Correlation between temporomandibular disorders, occlusal factors and oral parafunction in undergraduate students
Ferreira, Fabiane Maria; Simamoto-Júnior, Paulo Cézar; Novais, Veridiana Resende; Tavares, Marcelo & Fernandes-Neto, Alfredo Julio
Abstract
Aim: To investigate the prevalence of temporomandibular disorders (TMD) in undergraduate
students and to correlate its prevalence with occlusal factors and parafunctional habits. Methods:
201 undergraduate students were evaluated. The Research Diagnostic Criteria for
Temporomandibular Disorders (RDC/TMD) was filled out at the beginning of the study, followed
by occlusal analysis based on morphological and functional alterations. The identification of tooth
grinding and clenching was carried out by self-reports. Statistical analysis was based on chisquare
and multivariate logistic regression analyses. p-value for all statistical analysis was set at
5%. Results: According to RDC/TMD, 18.4% of subjects experienced myofascial pain (GMPD),
and 12.4% had joint disorder with disc displacement (G-DD). Tooth clenching was statistically
associated with TMD (p=0.000). In the occlusal factors, overjet showed statistically significant
correlation only with myofascial pain. No association between functional alteration and TMD was
found. No statistically significant correlation was found between G-DD and occlusal alterations or
parafunctional habits. Conclusions: Overjet and tooth clenching were correlated with G-MPD.
Occlusal alterations or parafunctional habits did not show correlation with G-DD.
Keywords
myofascial pain syndromes; temporomandibular joint disorders; bruxism; dental occlusion
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