If the teeth are not coming out, you can remove the external resistance or extract the teeth; if a cyst has formed, you need to remove the cyst surgically. 1. Influenced by external resistance: teeth do not grow out of children’s gums are often too thick during the molar period, this time you need to take a picture to confirm the removal of part of the gums to help the permanent teeth eruption. It is also common for wisdom teeth to be blocked. If the growth position of wisdom teeth has potential for eruption, traction can be performed to help eruption, and if the wisdom teeth are blocked, they need to be extracted. 2. Dental cysts: teeth in the bone for a long time can not be erupted, after examination to confirm that there is no abnormality can be temporarily observed and not dealt with, if the formation of cysts, then the need for surgery to remove the cysts. Teeth can not grow out of the specific need to go to the hospital for examination, and then do the treatment.