新疆维、汉大学生恒牙先天缺失情况的调查分析  

Survey and analysis of oligodontia between Uyghur and Han in Xinjiang

作　　者：王霏霏[1] 迪丽努尔.阿吉 陈冲[1] 李伯琦[1] 

机构地区：[1]新疆医科大学第一附属医院口腔修复科,乌鲁木齐830000

出　　处：《口腔医学》2010年第7期431-433,共3页Stomatology

摘　　要：目的调查新疆维汉两民族青年人恒牙先天缺失的状况。方法 2008-2009年对新疆高校学生共5150名采取随机、整群抽样的方法进行恒牙发育异常情况的调查。对总体及维汉两民族先天缺牙情况进行患病率、颌位情况、缺牙数目、好发牙位及同时伴发2种牙齿发育异常的情况进行卡方检验。结果恒牙先天缺失的总患病率为5.98%,汉族高于维族(P<0.05),维族男性患病率低于女性(P<0.05)。总体及汉族缺牙数目下颌多于上颌(P<0.05),好发牙位为下颌中切牙;总体及维汉均以缺失1颗牙者最多见,且锥形牙与先天缺牙伴发的比率高。结论恒牙先天缺失的总患病率略低于其他学者的研究,民族间患病率有差异,汉族高于维吾尔族。性别差异、颌位情况、缺牙数目、好发牙位及伴发情况与其他学者的研究基本一致。Objective To investigate the status of oligodontia in permanent teeth of the youths with different nations in Xinjiang.Methods A survey of odontodysplasia in permanent teeth was carried out in 5150 college students in Xinjiang with the methods of random and cluster sampling during 2008 to 2009.Chisquare test was used to analyze the prevalence,the maxillomandibular and concomitant status,number of missing and location predilection of Han and Uyghur.Results The prevalence of oligodontia was 5.99% ,Han＇ s higher than Uyghur＇s（P〈0.05） and females＇ higher than males＇ in Uyghur（P〈0.05） .The whole and Han＇s mandibular missing was more serious than maxillar missing（P〈0.05） ,and the center incisor was the location predilection.For the population and two na-tions：1 tooth missing and the prevalence of oligodontia coincident with conic shaped tooth was common.Conclusions The prevalence of oligodontia was a little lower than the other researchers＇ reports,and there was difference between the nations,and Han＇s was higher than the Uyghur＇s.The other results were similar to other investigations.

关 键 词：先天缺牙 患病率 现况研究 

分 类 号：R780.1[医药卫生—口腔医学]