Most of the permanent teeth will fall back into place after extraction of retained milk teeth, but some of the permanent teeth may not fall back into place if the milk teeth are extracted late or if there is insufficient space in the jawbone. During tooth replacement, permanent teeth will erupt if the milk teeth are not lost, and the retained milk teeth need to be extracted in time to relieve the resistance of the permanent teeth in the process of eruption. After the retained milk teeth are extracted in time, the permanent teeth will erupt in a normal position. If the milk teeth are extracted late, it is difficult for the roots of permanent teeth to return to their normal position after development is completed. The permanent teeth will also not return to their normal position when the jawbone of the child does not have enough space to develop and the amount of teeth is greater than the amount of bone. Therefore, once a retained milk tooth is found, it needs to be extracted in time, and the permanent teeth will adjust to the normal position on their own. Permanent teeth will adjust to their normal position on their own. It is difficult for permanent teeth to return to their normal position when the milk teeth are extracted late. You need to go to the stomatology department of a regular hospital to have your milk teeth extracted.