Bionic composite porcelain belongs to dental veneers, some need to grind the tooth body so there will be some damage to the teeth. Dental veneers is a dental cosmetic restoration technology, composite porcelain belongs to the porcelain veneer, is the application of bonding materials will be thin layer artificial porcelain restorations fixed to the lip surface of the affected teeth, porcelain veneers can be repaired mildly misaligned teeth and ectopic teeth, anterior teeth body defects, developmental deformities teeth. Some patients need to grind part of the enamel when preparing the teeth, which may cause some damage to the teeth. In addition, complications such as tooth sensitivity, loss of microhardness of the enamel surface, and soft tissue damage may occur if the medical staff does not operate properly or if the candidate does not take proper care of his/her teeth. After using dental porcelain veneer restoration, patients should avoid chewing tough food to prevent damage to the restoration, in addition, pay attention to keep the mouth clean. It is recommended that patients go to a regular medical institution for dental porcelain veneer restoration to avoid improper operation and adverse effects.