新疆维吾尔族与汉族多生牙112颗临床分析

Clinical analysis of 112 supernumerary teeth of Uygur nationality and Han nationality in Xinjiang Uygur Autonomous Region

目的了解维吾尔族和汉族患者多生牙的发生率及其类型和位置分布。方法回顾性分析2009-2011年在我科就诊的101例(112颗牙)维吾尔族和汉族患者的临床资料。结果维吾尔族男性多生牙发生率最高,多生牙形态构成比和位置分布上维吾尔族和汉族差异无统计学意义(P>0.05)。结论多生牙发生率上维吾尔族男性最多见,形态以锥形多生牙较常见,多分布于前牙腭侧。

Objective To analyze the incidence, type and distribution of supernumerary teeth in Uygur na- tionality and Han nationality. Methods The clinical data of 101 patients of Uygur nationality and Han nationality （112 teeth） treated in our hospital from 2009 to 2011 were retrospectively analyzed. Results The male of Uygur na- tionality showed the highest incidence of supernumerary teeth. No statistically significant difference was found in the morphology and distribution between Uygur nationality and Han nationality. Conclusion The incidence of supernu- merary teeth is the highest in the male Uighur of nationality. The supernumerary teeth are most common in the shape of cone and mostly distributed in the anterior palatal.