北京市海淀区小学生第一恒磨牙龋病调查
Caries incidence of the first permanent molars of the primary school students in Haidian District,Beijing
王欣 1储冰峰2
作者信息
- 1. 解放军后勤指挥学院门诊部,北京,100858
- 2. 解放军总医院口腔科,北京,100853
- 折叠
摘要
目的:调查北京市海淀区小学生第一恒磨牙的患龋率状况.方法:采用横断面调查方法,随机抽取北京市海淀区8所学校4067名年龄为7~12岁的小学生,采用卡方检验分析患龋率与年龄、性别、日刷牙次数之间的关系.结果:患龋率为16.32%,男生为13.79%,女生为18.78%,女生显著高于男生(P<0.001);随年龄的增加,患龋率从10.03%上升到23.12%;在全部受检者中有409名小学生日刷牙次数不足2次,占11.47%;每日刷牙者两次及以上者第一恒磨牙患龋率明显低于每日刷牙者1次或以下者.结论:性别、年龄和日刷牙次数均与第一恒磨牙患龋率有关.
Abstract
AIM:To investigate the caries incidence of the first permanent molars of the primary school students in Haidian District,Beijing.METHODS:Cross-sectional study was used in 4067 students who were 7 to 12-year-old and randomizly selected from 8 schools in Haidian District,Beijing.Chi-square test was used to analyze the relationship amony the caries incidence and the age,sex,frequency of tooth brushing per day.RESULTS:The caries incidence was 16.3%,when the boys'was 13.79% and girls was 18.78%.Girls'was significantly higher than boys.The rate was increased from 10.03%to 21.18%with age.409 pupils brushed less than twice per day,accounting for 11.47%.The first molar caries rate of the pupils who brushed more than twice per day was significantly lower than those less than once perday.CONCLUSION:Sex,age,frequency of tooth brushing per day were factors closely related with the caries rate of the first permanent molars.
关键词
恒磨牙/龋/小学生Key words
permanent molar/caries/primary school student引用本文复制引用
出版年
2009