中文摘要：

目的 调查金华市儿童乳牙患龋状况,分析社会因素及祖辈口腔健康行为的影响.方法 随机抽取金华市在园的1316名3～5岁学龄前儿童进行口腔健康检查,并随机抽取468名受检幼儿祖辈.本次调查采用问卷调查的方式进行.结果 共有750名学龄前儿童有龋病发生.不同性别儿童患龋率差异无统计学意义（P＞0.05）.儿童龋病发生的影响因素包括：祖辈看护幼儿、祖辈刷牙行为、祖辈拜访牙医时间、（外）祖父母受教育程度（P＜0.05）.结论 金华市3～5岁儿童具有较高的乳牙龋病发生率,对其进行定期的口腔健康检查及对祖辈进行口腔健康教育均为防治龋病的重要环节,从而降低儿童龋病发生率.

英文摘要：

Objective To investigate the deciduous teeth caries status of children in Jinhua City,analyze the effects of the social factors and grandparents oral health behavior on it.Methods 1316 preschool children aged 3 to 5 of Jinhua City were selected and oral health check was given to them,while 468 children＇s grandparents were randomly selected.The survey was done with the method of questionnaire.Results There were 750 preschool children with dental decay in this study.There was no significant difference in suffering from dental caries rate between different gender （P ＞ 0.05）.Taking care of children by grandparents,brushing behavior of grandparents,frequency of visiting the dentist of grandparents,education degree of grandparents were the influence factors of cavities in children （P ＜ 0.05）.Conclusion The incidence of caries in children aged 3 to 5 of Jinhua City is high,oral health check on a regular basis and giving oral health education to grandparents are the important elements for prevention and treatment of tooth decay,in order to reduce the incidence of caries disease in children