Tooth pain is a very common problem. Toothache is indeed a very uncomfortable thing, not to mention children. When parents find that their child has a bad toothache, they must solve it in time, and they want to know.What to do if children have bad teeth and toothache?The following is a detailed introduction to the specific solution.What to do if children have bad toothache?According to the degree of dental caries, it is divided into shallow caries, medium caries, and deep caries. The treatment methods for different degrees of dental caries are not the same. The specific treatment methods are as follows: Superficial caries-Superficial caries is the primary stage of dental caries.It causes cavities, which is not easy to be detected by the patient. It will not be discovered by the patient until the disease is serious. In the shallow caries period, the pit and fissure sealant can be used for treatment.Medium caries-in the middle caries, the dentin of the lesion is shallow, and there are already obvious cavities. The patient is more sensitive to hot and cold foods.