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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.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>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.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12903-021-01916-2","type":"journal-article","created":{"date-parts":[[2021,10,26]],"date-time":"2021-10-26T13:05:41Z","timestamp":1635253541000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":50,"title":["Temporomandibular disorders among medical students in China: prevalence, biological and psychological risk factors"],"prefix":"10.1186","volume":"21","author":[{"given":"Jing","family":"Wu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zelun","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yong","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yifan","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhongqiang","family":"Pan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Gu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,10,26]]},"reference":[{"issue":"11","key":"1916_CR1","doi-asserted-by":"publisher","first-page":"3686","DOI":"10.3390\/jcm9113686","volume":"9","author":"C Fern\u00e1ndez-de-Las-Pe\u00f1as","year":"2020","unstructured":"Fern\u00e1ndez-de-Las-Pe\u00f1as C, Von Piekartz H. 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