540例颞下颌关节紊乱病患者口腔行为特点分析

目的: 初步测定中文版口腔行为检查问卷（oral behaviours checklist,OBC）的信度,系统观察颞下颌关节紊乱病（temporomandibular disorders,TMD）患者的口腔行为特点。方法: 对英文版OBC量表进行前向后向翻译,形成OBC中文版量表。纳入2017年7月—2018年4月治疗的TMD患者540例,填写中文版OBC,采用内部一致性系数Cronbach α评价中文版OBC量表的信度,分析患者中不同口腔行为所占的比例。采用SPSS 19.0软件包计算每种行为的发生频率;采用秩和检验比较不同性别TMD患者的口腔行为分布。结果: 中文版OBC的Cronbach α=0.771,信度较好。TMD患者存在一定的口腔习惯,如“睡眠时压住下颌骨（52.9%）”“单侧咀嚼食物（47.8%）”“不吃饭时牙接触（33.2%）”等。结论: 中文版OBC是评估口腔行为的可靠工具,TMD患者有一定的口腔行为习惯,需要进一步研究其与疾病发生的关系。

Oral behavior characteristics of 540 patients suffering from temporomandibular disorders

PURPOSE: To test the reliability of the Chinese version of Oral Behaviours Checklist (OBC) and explore oral behavior characteristics of patients with temporomandibular disorders (TMD). METHODS: The English version of OBC was translated forward and backward to form the Chinese version of OBC. From July 2017 to April 2018, 540 TMD patients were included. Cronbach's α was used to evaluate the reliability of Chinese version of OBC. The characteristics of oral behaviors were evaluated by OBC. SPSS 19.0 software package was used to calculate the frequency of each behavior, and rank sum test was used to compare the distribution of oral behavior of TMD patients of different genders. RESULTS: The reliability of Chinese version of the OBC was good, Cronbach's α=0.771.There were certain oral behaviors in TMD patients, such as sleeping in a position that puts pressure on the jaw(52.9%), chewing food unilaterally(47.8%) and contacting teeth while not eating (33.2%). CONCLUSIONS: The Chinese version of OBC is a reliable tool for assessing oral behaviors. TMD patients have certain oral behaviors, which await further investigations.