If a child’s tooth hasn’t grown in half a year after extraction, it may be that the permanent teeth are congenitally missing or the permanent teeth are not in the right position, so according to the situation, temporary dental restoration or surgery can be chosen to help the permanent teeth to erupt. 1. Temporary dental restoration: If a child’s tooth has been extracted for half a year due to congenital absence of permanent teeth, temporary dental restoration is needed to fulfill the pronunciation and chewing function of the tooth while maintaining the gap, and permanent restoration will be carried out when the child reaches the age of adulthood. 2. Surgery: permanent teeth position incorrectly caused by the teeth can not erupt, this situation needs to be timely to cut the gums, through surgical methods to pull the teeth to the normal position. If a child’s tooth has been extracted for half a year and has not yet grown, he should go to the hospital in time to take a surface tomography of the tooth to determine the presence or absence of the inherited permanent teeth, and then choose the best treatment plan.