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BMC Oral Health
Published in: BMC Oral Health 1/2021

Open Access 01-12-2021 | Bruxism | Research

Temporomandibular disorders among medical students in China: prevalence, biological and psychological risk factors

Authors: Jing Wu, Zelun Huang, Yong Chen, Yifan Chen, Zhongqiang Pan, Yu Gu

Published in: BMC Oral Health | Issue 1/2021

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Abstract

Background

The purpose of the present study is to evaluate the prevalence of temporomandibular disorders (TMD) and their associated biological and psychological factors in Chinese university students.

Methods

A total of 754 students were included from Zunyi Medical University, each participant completed questionnaires and clinical examinations according to the Diagnostic Criteria for Temporomandibular Disorders.

Results

The overall prevalence of TMD was 31.7% among medical students. Subjects with TMD had a high prevalence of bruxism, empty chewing, unilateral chewing, chewing gum, anterior teeth overbite, anterior teeth overjet, depression, anxiety, and sleep disturbance. Moreover, sleep bruxism, empty chewing, unilateral chewing, anterior teeth overbite, depression, and anxiety were the strongest risk factors for TMD.

Conclusions

Individuals with TMD have a high prevalence of psychological distress and oral parafunctional habits. Except for the psychological factors associated with TMD, bruxism, abnormal chewing, and malocclusion also shared similar risks for TMD.
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Metadata
Title
Temporomandibular disorders among medical students in China: prevalence, biological and psychological risk factors
Authors
Jing Wu
Zelun Huang
Yong Chen
Yifan Chen
Zhongqiang Pan
Yu Gu
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2021
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/s12903-021-01916-2

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