Bad incisors can be restored with resin or, in the case of incisal defects, aesthetic resin restorations, but they are less hard. If the incisor is broken and the area is large, a porcelain crown restoration or a resin veneer or porcelain veneer restoration can be done. If the bad tooth has penetrated deep into the nerve, root canal treatment is required to remove the nerve, and after removal, porcelain crown restoration is usually required to ensure that the tooth does not fracture. If the incisors have pulpal necrosis, the teeth will become black, which will affect the aesthetics, you need to do internal bleaching restoration after the treatment, and then do the porcelain crown restoration after the teeth restore the normal color, in order to have a beautiful effect. If the incisor is bad, it is recommended to check whether the adjacent surface of the tooth is decayed, then it is necessary to check the adjacent teeth, if both teeth are bad, it is necessary to repair, small defects can be directly repaired by resin, and large defects can be done by dental veneer, which can be more beautiful.