The important significance of protecting children’s milk teeth: 1. Healthy and complete milk teeth are conducive to the refusal of chewing function and maxillofacial development; 2. Healthy milk teeth are conducive to children’s pronunciation (if the milk teeth, especially the front teeth, are missing, it can affect the pronunciation, and will also have a negative impact on the child’s psychological development); 3. Milk teeth have a guiding role in the eruption of the permanent teeth, and healthy milk teeth are conducive to the normal eruption of the permanent teeth. What are the dangers of problems such as caries in milk teeth? 1, caries can cause the child to eat food stuffing, eating inconvenience; 2, inflammation of the pulp of the milk teeth can cause toothache, uncomfortable; 3, missing anterior teeth can affect the aesthetic and pronunciation, missing molar teeth can cause the permanent teeth eruption is not aligned; 4, the anticlasticity of the milk teeth can cause the development of the upper and lower jaws abnormally. How to protect milk teeth? For children over 2 years old, children should be taught to brush their teeth in the morning and evening, and rinse their mouths after meals; once there are “worm teeth”, they should be filled and treated in time, and the anastomosis of milk teeth should be corrected in time, so as to avoid further aggravation of the problem. Insist on an oral examination every six months.