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目的:调查乌鲁木齐市就职人员颞下颌关节紊乱病患病情况,探讨其生活不良习惯、咬合异常与颞下颌关节紊乱病之间的相关性。方法:抽取新疆医科大学附属第一医院体检中心体检男性600人进行颞下颌关节情况检查,同时问卷调查,统计夜磨牙、偏侧咀嚼、紧咬牙情况,并检查记录缺失牙、静态咬合关系和动态咬合运动情况,将有咬合干扰的TMD阳性者设为病例组,阴性者设为对照组。结果:TMD体征阳性者295例,TMD阴性者305例,TMD患病率约49.33%。其中紧咬牙30例,夜磨牙16例,偏侧咀嚼者29例,牙齿缺失49例,深覆牙合95例,咬合干扰153例。阴性者作为对照组,其中紧咬牙13例,夜磨牙3例,偏侧咀嚼者15例,牙齿缺失20例,深覆牙合29例,咬合干扰35例,正常牙合者225例,牙合干扰OR=8.3(χ~2=113,95%CI:5.67,12.15,P<0.01)。结论:在新疆医科大学一附院体检中心体检患者TMD患病率49.33%,咬合干扰与TMD发生密切相关。
OBJECTIVE: To investigate the prevalence of temporomandibular disorders in careers in Urumqi, and to explore the correlation between the poor habits of living, abnormal occlusion and temporomandibular joint disorders. Methods: Six hundred men were sampled from the physical examination center of the First Affiliated Hospital of Xinjiang Medical University to investigate the temporomandibular joint status. At the same time, questionnaires were used to survey the conditions of mandibular molar, lateral masticatory and clenched teeth, and to check the relationship between missing teeth, static occlusion and dynamic Occlusal exercise, there will be bite interference TMD-positive cases as the case group, negative as the control group. Results: There were 295 cases with positive TMD signs, 305 cases with TMD negative, and the prevalence of TMD was 49.33%. There were 30 cases of clenching teeth, 16 cases of molars, 29 cases of unilateral chewing, 49 cases of missing teeth, 95 cases of deep overbite and 153 cases of bite interference. Negative control group, including 13 cases of clenching teeth, 3 cases of bruxism, partial chewing in 15 cases, 20 cases of missing teeth, deep overbite in 29 cases, occlusion 35 cases, 225 cases of normal occlusion, occlusal Interference OR = 8.3 (χ ~ 2 = 113, 95% CI: 5.67, 12.15, P <0.01). Conclusion: The prevalence of TMD was 49.33% in physical examination center of Xinjiang First Affiliated Hospital of Xinjiang Medical University. Bite interference was closely related to the occurrence of TMD.