中老年人牙齿楔状缺损相关因素的logistic回归分析

Logistic regression analysis of wedge shaped defects in the middle aged and elderly

目的 分析楔状缺损患病情况及其相关因素。方法 对 493名机关干部使用Smith(TWI)磨损指数进行楔状缺损的患病情况调查。相关因素进行logistic回归分析。结果 该组人群楔状缺损患病率 90 .5 % ,患牙率 30 .5 % ,患牙均 7.49颗。楔状缺损患病率和患病程度随年龄而增加 ;年龄、性别、偏侧咀嚼、每日刷牙两次和近中错牙合因素是楔状缺损形成和发展的危险因素。

Objective To investigate and identify the possible clinical risk factors associated with the formation of wedge shaped defects. Methods Four hundred and ninety three subjects were examined. The possible risk factors associated with wedge shaped defects were identified by logistic regression analysis. Results The prevalence of wedge shaped defects was observed 90.5 % in this population. The prevalence and severity of wedge shaped defects were found to be increasing with age. The correlation between age, sex, preferred side for tooth chewing, brushing twice a day, malocclusion, the formation and severity of wedge shaped defects were noted. Conclusion Occlusal factors and tooth brushing have found related to the formation of wedge shaped defects.