目的: 了解呼和浩特市蒙古族五岁儿童患龋的状况及口腔基本卫生习惯，为开展口腔健康保健提供
基线资料。方法: 对呼和浩特市268 名5 岁儿童进行口腔检查和家长问卷调查，了解其患龋情况和基本口腔卫
生习惯，采用SPSS13． 0 统计软件对乳牙患龋率﹑龋均﹑基本口腔卫生习惯进行统计分析。结果: 268 名受检5
岁儿童的总患龋率为78． 7%，龋均为5． 19，龋坏充填率为3． 81%，仅有25． 4% 的儿童能够每天刷两次牙齿，且
开始刷牙年龄较晚。结论: 呼和浩特市蒙古族5 岁儿童患龋率高，龋坏充填率低，口腔卫生健康教育有待大力
加强。

Objective: To investigate dental caries status and oral hygiene habits among five yearold
Mongolian children in Hohhot city，and provide basic information for future orll health care intervention．
Methods: Oral examination was conducted among 268 children aged 5 and questionnaire
survey were carried out among their parents in Hohhot for obtaining dental caries prevalence and oral
hygiene habits of selected children． Relations between oral hygiene habits and prevalence rate of dental
caries were analyzed using chi－square test using SPSS statistical software version 13． 0 and P＜0． 05
were statistical difference between the variables． Results: Total prevalence rate was 78． 7%and average
number was 5． 19 respectively． Total caries filling rate was 3． 81%and only 25． 4% of children were
ableto brush tooth twice everyday． Conclusion: The data showed that prevalence rate of dentalcaries
was relatively high among five year－old Mongolian children in Hohhot and the caries filling rate was
relatively lower． Therefore，we should promote health education precedures on oral hygiene habits for
the study population．

R79

 收稿日期: 2013－11－12; 修回日期: 2014－01－09
基金项目: 内蒙古自治区自然科学基金项目( 2011MS1138)
作者简介: 咏梅( 1969－) ，女，内蒙古医科大学口腔科副教授，医学硕士。