目的调查颞下颌关节紊乱病(TMD)在青年学生中的发病率,主要临床症状及患者对TMD的防治意识如何。方法随机选取大学在校学生560人,年龄17~20岁,均作问卷调查及临床口腔科颞下颌关节检查,对症状典型的患者记录了门诊病史。结果 28.57%的受试者有TMD的明显症状和阳性体征,典型症状为关节及关节周围肌肉疼痛、开闭口运动过程中有“卡”“卡”弹响音。160例患者中仅有16例曾采取过积极治疗,但疗效不佳。结论 TMD在青年学生中发病率(28.57%)有增高趋势,病变关节主要处于功能紊乱期或结构紊乱期,绝大多数患者缺乏防治意识,口腔工作者应予以足够重视。 Objective To investigate the incidence of temporomandibular disorder (TMD) among young students, the main clinical symptoms and the patients’ awareness of TMD prevention and treatment. Methods A total of 560 university students were enrolled in this study. They were all from 17 to 20 years old. All of them were investigated by questionnaire and clinical temporomandibular joint examination. The outpatient medical history was recorded in patients with typical symptoms. Results 28.57% of the subjects had obvious symptoms and positive signs of TMD. The typical symptoms were muscle pain in joints and joints. There was “card”, “card” sound during opening and closing movement. Only 16 of the 160 patients have taken active treatment, but the effect is not good. Conclusion The incidence of TMD in young students (28.57%) tends to increase. The diseased joints are mainly in the period of dysfunction or structural disorders. Most patients lack awareness of prevention and control and the oral workers should pay enough attention to them.