目前，我国儿童乳牙龋齿率很高，这与生活环境、生活习惯以及牙齿护理状况有很大关系。有些父母过分溺爱孩子，又缺乏相当的食物营养概念和卫生知识，给孩子吃太多的高糖类食物。既不限量也不限时，致使食物残渣长时间滞留在孩子的牙缝中，牙菌斑中的细菌在分解这些食物残渣时 At present, the rate of tooth decay among children in our country is very high, which is closely related to living environment, living habits and dental care status. Some parents over-spoil children, but also lack the equivalent of food nutrition concepts and health knowledge, to children to eat too much high-carbohydrate foods. Neither limited nor limited, resulting in food residue for a long time stranded in children’s teeth, dental plaque bacteria in the decomposition of these food debris