Many patients think that their teeth will not be sick again after restoration, so they do not need to brush their teeth properly and do not need to worry about the bad restoration, but in fact, this is not true. Porcelain veneer hardness is not as high as natural tooth enamel, and the combination of veneer and tooth parts, that is, the edge of the veneer belongs to the weak area of poor carious resistance is prone to caries. Therefore, after veneer restoration, patients must pay attention to the following points: 1, the restored teeth should pay attention to cleaning: in addition to pay attention to brushing, every day after meals should use dental floss to clean the adjacent surface of the teeth, because the adjacent surface is the location of the edge line of the veneer; 2, avoid excessive biting force and biting habits: avoid biting hard food, such as melon seeds, crabs, bones, etc.; 3, sports should pay attention to protection, can wear sports mouthguard; 4, regular attention to oral Review, health care: because sometimes the restoration does not fit or early lesions, patients themselves are often not easy to notice, regular review is conducive to oral disease prevention and prolong the life of the restoration.