Cosmetic dentistry includes resin restoration of front and back teeth, teeth whitening, porcelain (resin) veneers, porcelain (resin) inlays, and veneers. Generally speaking, all people love beauty, in addition to special cosmetic technology such as dental jewelry, other cosmetic technology is basically suitable for all people. 1, tooth-colored resin In the past 30 years, composite resin and other tooth-colored material restoration technology has progressed rapidly, is now not only used as a front tooth defect repair, and can be used as a back tooth repair. Silver amalgam mercury damage, precious metal consumption and poor color and lustre and other shortcomings, compared with silver amalgam, tooth-colored resin material is more beautiful, safe, in addition, very important is due to the material’s adhesive properties greatly improved, filled with tooth-colored material when the cavity made by cutting the tooth tissue is less, and therefore more in line with the viewpoint of minimally invasive in the modern therapeutic science, due to these advantages, tooth-colored resin material has been increasingly used in clinical applications. Due to these advantages, tooth-colored resin materials have been increasingly used in clinical applications. 2, teeth whitening There are two techniques for teeth whitening, including cold light whitening and home whitening. Cold light teeth whitening uses low-temperature cold light, which completely avoids the impact of the operation process on the dental pulp, does not cause any damage to the tooth structure, and the whitening effect can be maintained for about 2 years. This whitening technique not only produces whitening effects on teeth stained by smoking, drinking coffee and other beverages over a long period of time, but also has good effects on drug-induced mild-to-moderate tooth discoloration (tetracycline, fluorosis), and aged or hereditary yellow teeth. Family bleaching is to bring home bleaching drugs to bleach a method, the advantage is more convenient, the disadvantage is that the course of treatment is longer. 3, porcelain veneer Porcelain veneer is a new cosmetic technology, compared with porcelain crowns it has many advantages, including “minimally invasive”, and more in line with the distribution of human body mechanics, for tooth discoloration and tooth loss have a very good restorative effect. Currently there are two forms of porcelain veneers: porcelain veneers and all-ceramic veneers. 4, inlays Inlays are dental defects repair a more ideal way to repair, especially porcelain inlays, it combines the aesthetic and functional balance. Porcelain inlays have certain indications. 5, with dental jewelry Today, the pursuit of beauty and personality of people’s desire to be more intense, so the emergence of dental jewelry this cosmetic technology. Dental jewelry is more special, generally more suitable for young women. Depending on the material used, they can be categorized as “crystal teeth”, “diamond teeth”, etc. The price depends on the material used. The price is related to the material used. Dental veneers generally do not affect the health of the teeth. The white teeth are one of the standards of modern people to measure the beauty. Therefore, cosmetic dentistry is favored by the majority of people, especially young women with better economic conditions. However, there are certain risks associated with cosmetic dentistry, and since cosmetic dentistry may sometimes result in the loss of a portion of the tooth function, it is best to consider the cosmetic dentistry according to one’s own conditions and the doctor’s recommendations in order to achieve the best cosmetic results, so that both beauty and function can be taken into account.