宁城学龄前儿童患龋情况报告内蒙古自治区宁城县医院（０２４２００）赵宗奎为了解本县学龄前儿童龋病情况，我们于１９９５年选择了镇区与二龙村作为调查点，其调查了５００人，现将结果报告如下：结果显示：随年龄增长，患龋率亦呈上升趋势，镇区发病率高于农村。宁城学... Ningcheng preschool children suffering from caries report Ningcheng County Hospital of Inner Mongolia Autonomous Region (024200) Zhao Zongkui In order to understand the situation of dental caries in preschool children in this county, we chose the township and Erlong village as a survey point in 1995, which investigated 500 People, the results are reported as follows: The results show that: with age, caries prevalence also showed an upward trend, the incidence of township higher than in rural areas. Ningcheng learn ...