Teeth wear repair methods are: 1, mild abrasion, cold, hot, acid, sweet sensitivity symptoms, can be coated with desensitizing drugs, prompting the closure of the end of the dentin tubules.2, the upper and lower teeth occlusion caused by excessive abrasion, so that the dentin appeared pitted unevenly, the cavity can be prepared, the use of composite resins, glass ionomer cementum, etc. Filling.3, abrasion of the teeth jaws due to the abrasion of the tooth cusp and the edge of the ridge and so on to flatten, When the anatomical form is lost, inlay can be made.4. When the tooth wear exposes the pulp angle of the pulp cavity and produces severe pain, the pulp should be removed under local anesthesia, and the full crown should be made after completing the root canal treatment.