Investigation On The Temporomandibular Disorders And Psychological Factors Correlation About Uighur And Han University Students In Xinjiang Medical University

Objective: Investigation on the status for Uighur and Han University Students in Xinjiang, about temporomandibular disorder(TMD) symptoms, signs and psychological factors such as anxiety, depression, to analysis the psychological factors and the relationship between TMD. Methods: Examine the signs and symptoms of temporomandibular joint( TMJ) with 967 subjects.A questionnaire and self-rating anxiety scale(SAS) and self-rating depression scale(SDS) were used to record general condition and investigate the psychological characters. Results:Detected 499 TMD patients, and the prevalence of 51.60%, Male prevalence rate(43.65%) is lower than female(58.05%), were significantly different(P<0.05). Compared the prevalence of the Han(49.62%) and Uighur(55.96%) the difference was not statistically significant. With 468 subjects in the control group. In the distribution of the signs and symptoms of TMD, joint ring, noise is the most(39.81%), mandibular movement was abnormal(14.99%) at least. The SAS value[(46.22±10.45)]、SDS value(49.48±9.98)of subjects with TMD compared to the control group [(37.66±6.86)、(40.62±7.33)] were significantly different(P<0.01).The logistic analysis showed that only tendencies of anxiety [OR=1.06,95%CI:(1.03,1.08), P<0.01]and depression [OR=1.08,95%CI:(1.05,1.10),P<0.01] and lateral chewing [OR=1.98, 95%CI:(1.47, 2.66), P<0.01] and bruxism/tooth clinching [OR=1.55, 95%CI:(1.06, 2.26), P=0.02] are the significant risk factors related to TMD(P<0.01).Conclusion: TMD have a high incidence in Xinjiang university, and were more common in girls than boys, and there is no difference in Uighur and Han University Students. The results of this study emphasized the high prevalence of Psychological factors,such as depression and anxiety,is clearly associated with TMD.