2009年广州市荔湾区6岁儿童乳牙患龋抽样调查分析

Investigation of the 6-year-old children with caries on the crowns of deciduous teeth in Liwan District of Guangzhou City in 2009

目的:了解广州市荔湾区6岁儿童乳牙龋病状况,为广东省口腔卫生预防保健工作提供信息支持。方法:采用随机抽样的方法,抽取荔湾区城乡6岁常住人口952人。依照全国第3次口腔健康流行病学调查龋病检验标准进行,使用CPI探针检查全口乳牙牙冠龋病情况,对患龋率和龋均等指标做调查统计,数据采用SPSS12.0软件统计。结果:6岁儿童乳牙患龋率为53.7%,龋均为2.77。龋失补构成比中龋坏牙男、女均超过95%,分别为97.66%和96.41%。在牙位上,龋病好发牙位前3位依次为下颌第1乳磨牙,上颌第1乳磨牙,下颌第2乳磨牙。龋均和患龋率在性别上无统计学差异(P>0.05)。结论:广州市荔湾区6岁儿童乳牙龋较严重,是龋病防治的重点人群。

Objective：To investigate the status of the 6-year-old children with caries on the crowns of deciduous teeth in Liwan District of Guangzhou City,and to provide scientific basis for the establishment of oral health care policies in Guangdong.Methods：A randomly sampling design was applied to 952 children aged 6 years old in Liwan District.The status of caries on the crowns of deciduous teeth were tested according to the guideline for the 3rd national oral health survey with CPI probe,including incidence rate of caries and decayed,missing and filled tooth（DMFT） of deciduous teeth.The data were analyzed using SPSS 12.0 package.Result：The prevalence of caries and DMFT among 6-year-old children were 53.7% and 2.77,respectively.The incidence of decayed tooth was 97.66% in male and 96.41% in female.Deciduous caries were mainly found on first mandibular molar,fist maxillary molar,and second mandibular molar.There was no significant difference in incidence rate of caries and DMFT between male and female（P〉0.05）.Conclusions：Prevalence of deciduous teeth in 6-year-old children is high.Attention should be paid to these children.