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.
出处
《牙体牙髓牙周病学杂志》
CAS
北大核心
2011年第2期101-102,109,共3页
Chinese Journal of Conservative Dentistry
关键词
儿童
乳牙
龋
children
primary teeth
caries