Oral Biol Res 2019; 43(2): 136-140  https://doi.org/10.21851/obr.43.02.201906.136
Relationship between self-reported bruxism and torus mandibularis of patients with temporomandibular disorders
Chan-Young Cheon1 , A-Hyang Yoon2 , Jong-Mo Ahn2 ,3,*
1Department of Dentistry, Graduate School, Chosun University, Gwangju, Korea 
2Department of Oral Medicine, School of Dentistry, Chosun University, Gwangju, Korea 
3Oral Biology Research Institute, Chosun University, Gwangju, Korea
Correspondence to: Jong-Mo Ahn, Department of Oral Medicine, School of Dentistry, Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju 61452, Korea, Tel: +82-62-220-3890, Fax: +82-62-234-2119, E-mail: jmahn@chosun.ac.kr
Received: February 28, 2019; Revised: June 26, 2019; Accepted: June 26, 2019; Published online: June 30, 2019.
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This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The objective of the study was to evaluate the relationship between self-reported bruxism and torus mandibularis in patients with temporomandibular disorders (TMD). The subjects of the study were 375 patients diagnosed with TMD and 433 control patients at Chosun University Dental Hospital from November 1, 2017 to June 30, 2018. Self-reported bruxism and torus mandibularis in each group were investigated and compared statistically. Female in sex distribution and prevalence of self-reported bruxism and torus mandibularis was more common in TMD group than in control group (p<0.05). Bruxism and torus mandibularis might be useful as indicators of increased risk of TMD. 
Keywords: Self-reported bruxism, Temporomandibuar disorders, Torus mandibularis


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