A chipped tooth can be treated with grinding, composite resin filling, or crown restoration after root canal treatment. 1. Sharpening: A chipped corner of a tooth with a relatively small defect is limited to the enamel, and the sharp tip of the tooth needs to be sharpened. 2. Composite resin filling: If a corner of the tooth is chipped off and the dentin is reached or the defect is relatively large, it is necessary to carry out composite resin filling after acid etching. 3. Crown restoration after root canal treatment: If a corner of the tooth is chipped off and the nerve is exposed, it is necessary to carry out a root canal treatment and then crown restoration to prevent the tooth from splitting. The tooth chipped off a corner of the timely visit to the hospital, according to the situation and location of the missing tooth to choose the best treatment program, in order to facilitate the restoration of the normal function of the tooth and aesthetics.