【摘要】 目的分析沈阳市沈河区1989-2009年中小学生龋齿流行趋势和不同特征学生恒牙龋患程度,为评价和完善沈阳地区青少年防龋工作提供依据。方法利用1989-2009年沈阳市沈河区中小学卫生保健所监测点校(包括小学、初中和高中)每年1次的学生口腔检查资料进行分析。结果沈河区中小学生乳恒牙混合龋患率从1989年的26.65%上升至1999年的47.69%。2000年后,总龋患率逐年降低,2009年降到14.04%。女生龋患率显著高于男生。恒牙龋失补构成呈现补牙数构成比增高、龋牙构成比减少的趋势。恒牙龋均比较,2009年各学段学生龋均显著小于1989年。结论沈河区中小学生的龋齿防治工作效果显著,儿童青少年的龋齿发生和病损程度呈逐年改善趋势。需进一步加强中小学生口腔卫生健康指导工作。更多还原

【Abstract】 Objective To analyze the trend of prevalence of dental caries among primary and secondary students during 1989 to 2009,in Shenhe District of Shenyang city,and to provide bases for preventing on students’ dental caries.Methods The data were refined from records of oral examinations,which were held each year and faced to the total students in school sites.Results The prevalence of dental caries was 14.04% in 2009,which was significance different in the value in 1989(26.65%) and 1999(47.69%).Generally,girls had higher prevalence of dental caries than boys.The percentage of filling was increased and missing was reduced.The mean deciduous caries among students,no matter in elementary or middle school,was significantly decreased from 1989 to 2009.Conclusion The prevention of dental caries among elementary and middle students has been well done in Shenhe District in Shenyang,and more social supports should be focused on promoting child and adolescents’ oral health.更多还原