西安市412名3～5岁儿童乳牙龋病调查  

Survey of dental caries incidence in 412 children aged three to five years in Xi'an City

作　　者：宋开茂[1] 余国玺[2] 张帆[2] 李娟娟 尤苏霞 

机构地区：[1]解放军273医院口腔科,新疆库尔勒841000 [2]西北工业大学校医院口腔科,陕西西安710000 [3]第四军医大学口腔医院,陕西西安710032

出　　处：《牙体牙髓牙周病学杂志》2011年第2期101-102,109,共3页Chinese Journal of Conservative Dentistry

摘　　要：目的:调查西安市小学生第一恒磨牙患龋率状况及相关因素。方法:对西安市10所幼儿园3～5岁412名儿童乳牙患龋情况进行随机抽样调查,并对其家长进行儿童日刷牙次数的问卷调查,统计分析。结果:412名儿童乳牙平均患龋率41.99%,女童乳牙患龋率高于男童,分别为47.03%和37.14%,差异有统计学意义(P<0.05);患龋率随年龄增长呈上升趋势,分别为29.32%、41.91%和53.85%;日刷牙次数增加显著降低了乳牙的患龋率,其中日刷牙≥2次者为81.82%,偶尔或从不刷牙者为34.60%。结论:西安市儿童乳牙患龋率与年龄、性别、日刷牙次数密切相关。AIM： To investigate the incidence rate of caries and its correlative factors in 412 children aged three to five years in Xi＇an City.METHODS： The study was conducted in 412 children aged 3 to 5 years who permanently reside in Xi＇an urban area.The questionnaire of frequency of tooth brushing per day was designed according to ＂The Guideline for the 3rd National Oral Health Survey＂.RESULTS： The average caries incidence rate of primary teeth was 41.99%,the figure was 47.03% and 37.14% in girls and boys respectively（P0.05）.The incidence rate increased with age.Regular tooth brushing（more than twice per day） significantly reduced caries incidence rate（P0.05）.CONCLUSION： Sex,age,frequency of tooth brushing are factors closely related with the caries rate of primary teeth.

关 键 词：儿童 乳牙 龋 

分 类 号：R780.1[医药卫生—口腔医学]