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目的摸清永州市小学生口腔卫生龋齿状况。方法采用整群抽样方法调查了永州市城区８所小学７１６７名学生。结果学生的口腔卫生较差与极差占９０．３１％，乳牙和恒牙龋患率分别为６９．３３％和４８．６８％，与１９８９年比分别上升４２．２６％、１９．１９％和５０６．２３％；乳牙龋齿好发牙为第Ⅴ、Ⅳ、恒牙龋齿好发牙为第６、７；下颌牙龋齿患病占７２．４％，上颌牙龋齿占２７．６％。结论该市口腔卫生差，龋患率呈上升趋势，提示今后应加强防治工作
Objective To find out the status of oral hygiene dental caries in Yongzhou pupils. Methods A cluster sampling method was used to investigate 7167 students from 8 primary schools in Yongzhou city. Results The poor oral health and the poor rate of students accounted for 90.31%, the rates of deciduous teeth and permanent teeth caries were 69.33% and 48.68% respectively, up 42.26% and 19.19% respectively from 1989 506.23%. The deciduous dental caries with good teeth were Grade V and IV, the permanent teeth with good dental caries were 6 and 7, the lower teeth with dental caries accounted for 72.4% and the upper dental caries with 27.6%. Conclusion The city's poor oral hygiene, caries prevalence rate is on the rise, suggesting that in the future should strengthen prevention and control work