Loose teeth can be produced for many reasons, to find out the corresponding causes, and then for symptomatic treatment, as follows: 1, if it is loose due to trauma, it can be repaired by itself if it is not serious; 2, if it is loose due to dental nerve inflammation caused by caries or other reasons, causing apical inflammation, the lesion is in the apical area, and the inflammation leads to the loss of supporting tissue around the root tip, it can be improved and repaired by root canal treatment; 3, if If the loosening is caused by severe periodontal disease and periodontal tartar, or plaque, it can be restored by supragingival scaling, i.e. scaling, or subgingival scaling and other periodontal basic treatment means. However, if the loosening is very serious, more than the normal degree of loosening, it is necessary to fix the teeth treatment, more serious or fixed treatment can not be improved, can only be treated by extraction.