If a small incisor is missing, a filling is recommended if it can be placed and if the filling material is not easily dislodged. If filling is not possible and there is no obvious tooth sensitivity, a small amount of tooth grinding can be performed. 1. If the defect can be prepared in the shape of a cavity, which meets the requirements of resistance and retention shape of the filling, it can be filled with resin material similar to the color of the teeth, and at the same time, it is necessary to avoid gnawing on hard objects in order to prevent the filling from falling off. 2. If the defect area is small and does not affect the aesthetics, the edge of the defect can be adjusted and polished directly with a lathe needle. When there is sensitivity and pain in the defective area, anti-allergic drugs can be applied to alleviate the symptoms. The incisor is missing a little bit is good to fill or grind off good specific should be in the hospital, under the guidance of the doctor to give targeted treatment or treatment.