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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

The influence of temporomandibular dysfunction symptoms on maximum bite force in individuals with dentofacial deformity

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Author(s):
Dannyelle Christina Bezerra de Oliveira Freitas Passos [1] ; Daniela Galvão de Almeida Prado [2] ; Hugo Nary-Filho [3] ; Giédre Berretin-Felix [4]
Total Authors: 4
Affiliation:
[1] Fonoaudióloga clínica - Brasil
[2] Fonoaudióloga clínica - Brasil
[3] Universidade do Sagrado Coração - Brasil
[4] Universidade de São Paulo. Faculdade de Odontologia de Bauru - Brasil
Total Affiliations: 4
Document type: Journal article
Source: Audiol., Commun. Res.; v. 22, 2017-03-27.
Abstract

ABSTRACT Introduction Individuals with dentofacial deformity (DFD) show impairment in dental occlusion, which may alter the masticatory performance and, consequently, the bite force. No research was found on the relationship between temporomandibular disorders (TMD) and bite force for this population. Purpose To determine if the presence of TMD symptoms influence the maximum bite force (MBF) in individuals with DFD. Methods Sixty individuals were evaluated, 30 with DFD (GDFD) and 30 with normal occlusion (CG). The TMD was assessed by an anamnesis questionnaire (AQ) containing 10 questions that allow classification of the presence and degree of signs and symptoms of TMD. MBF was assessed using a mandibular force sensor, of the EMG System 810c electromyograph. Three records of bite force were obtained, with 10-second duration each. The Spearman correlation coefficient was used, at a significance level of 5%. Results The results of AQ showed higher prevalence of TMD symptoms in GDFD in relation to CG. Also, lower MBF was observed in subjects with DFD compared to CG. In addition, negative and significant correlations were found between scores obtained in the application of AQ and the MBF; therefore, the higher the severity of TMD symptoms, the lower the bite force. Conclusion The presence and severity of TMD symptoms influenced the MBF in individuals with DFD, demonstrating the importance for interdisciplinary intervention during all stages of surgical-orthodontic treatment. (AU)

FAPESP's process: 09/04621-4 - Vocal and respiratory characteristics of individuals with dentofaciais deformities
Grantee:Daniela Galvão de Almeida Prado
Support Opportunities: Scholarships in Brazil - Master