东莞市厚街镇9~17岁中小学生恒牙畸形中央尖的流行病调查分析  

An epidemiological survey and analysis of central cusp deformity in permanent teeth among primary and secondary school students aged 9-17 years in Houjie Town,Dongguan City

作　　者：刘斌[1] 李祯[1] 陈美珠 LIU Bin;LI Zhen;CHEN Mei-zhu(Dongguan Houjie Hospital,Dongguan 523000,China)

机构地区：[1]东莞市厚街医院,523000

出　　处：《中国实用医药》2022年第20期154-157,共4页China Practical Medicine

基　　金：东莞市社会科技发展重点项目(项目编号:202050715023189)。

摘　　要：目的对东莞市厚街镇9~17岁中小学生恒牙畸形中央尖进行流行病调查,了解发病情况,为临床防治提供参考依据。方法采用分层整群随机抽样方法从32000名东莞市厚街镇9~17岁中小学生中抽取21100名作为调查对象,畸形中央尖阳性389例。由专业培训的检查员在学校对中小学生口腔健康情况进行调查,初筛阳性、疑似畸形中央尖患者再到医院进行复查确诊。分析东莞市厚街镇9~17岁中小学生恒牙畸形中央尖阳性的性别及年龄,患牙总数及分布,患牙牙位。结果东莞市厚街镇9~17岁中小学生恒牙畸形中央尖阳性389例,其中男191例,女198例;发病年龄主要集中在10、11、12岁,占比分别为20.82%、17.22%和15.68%。389例东莞市厚街镇9~17岁中小学生恒牙畸形中央尖中共有患牙738颗,其中上颌牙122颗,下颌牙616颗;而上颌牙中折断72颗,下颌牙中折断395颗。东莞市厚街镇9~17岁中小学生恒牙畸形中央尖患牙牙位分布相对较广,上颌牙位中折断牙和未折断牙均集中在15(右上第二磨牙)、25(左上第二磨牙),合计均占上颌总患牙数的31.97%;下颌牙位中折断牙和未折断牙主要集中在45(右下第二磨牙),合计占下颌总患牙数的31.66%。结论东莞市厚街镇9~17岁中小学生恒牙畸形中央尖患病率相对较高,且女性患病率略高于男性,下颌前磨牙最为好发,折断牙位中以右下第二磨牙多发,常累及1~2颗牙,应采取相应的预防措施干预。Objective To conduct epidemiological survey on central cusp deformity in permanent teeth among primary and secondary school students aged 9-17 years in Houjie Town,Dongguan City,so as to understand the incidence and provide a reference basis for clinical prevention and treatment.Methods A stratified whole-group random sampling method was used to select 21,100 primary and secondary school students aged 9-17 years from Houjie Town,Dongguan City as the survey subjects,and 389 cases were positive for central cusp deformity.A professionally trained examiner surveyed the oral health of primary and secondary school students in schools,and patients with positive initial screening and suspected central cusp deformity were then rechecked in hospitals to confirm the diagnosis.The gender and age,total number and distribution of affected teeth,and tooth position of affected teeth of primary and secondary school students aged 9-17 years with positive central cusp deformity in permanent malocclusion in Houjie Town,Dongguan City were analyzed.Results There were 389 positive cases of central cusp deformity in permanent teeth in primary and secondary school students aged 9-17 years in Houjie Town,Dongguan City,of which 191 cases were male and 198 cases were female;the age of onset was mainly concentrated in 10,11 and 12 years old,accounting for 20.82%,17.22%and 15.68%,respectively.There were a total of 738 affected teeth in 389 cases of central cusp deformity in permanent teeth in primary and secondary school students aged 9-17 years in Houjie Town,Dongguan City,including 122 maxillary teeth and 616 mandibular teeth;while 72 of the maxillary teeth were fractured and 395 of the mandibular teeth were fractured.The distribution of central cusp deformity in permanent teeth in primary and secondary school students aged 9-17 years in Houjie Town,Dongguan City was relatively wide.The fractured and unfractured teeth in the maxillary dentition are concentrated in 15(upper right second molar)and 25(upper left second molar),which together ac

关 键 词：东莞市厚街镇 9~17岁中小学生 恒牙畸形中央尖 流行病调查 预防措施 

分 类 号：R783.5[医药卫生—口腔医学]