学龄前儿童患龋率高,严重危害儿童健康。为进一步研究乳牙龋齿发生发展的规律进行更有效的防治,我们通过对学龄前龋病易患儿童和龋病非易患儿童唾液中钙、磷的含量及乳酸脱氢酶活性的对比观察来探讨其与龋病的发生关系。 Preschool children suffering from caries rate is high, seriously endangering children's health. To further study the occurrence and development of deciduous teeth deciduous teeth more effective prevention and control of the law, we preschool caries-prone children and non-carious children with saliva calcium and phosphorus content and lactate dehydrogenase activity compared to explore Its relationship with caries.