Patients with enamel demineralization will cause chalky plaque on the surface of the enamel and enamel defects, which can be treated with composite resin filling, porcelain veneers and all-porcelain crowns, as follows: 1, composite resin filling: in the treatment, if the area of defects caused by enamel demineralization is not large, you can use the method of resin filling for treatment, the discolored and deteriorated enamel grinding clean, and then fill the tooth body with composite resin 2, porcelain veneers: If the area of enamel demineralization is very large and seriously affects the aesthetics, you can carry out the treatment of porcelain veneers. Porcelain veneer treatment, is the enamel lip side surface grinding away a thin layer, making models, processed by the processing plant out of porcelain veneer, by the clinician bonded to the tooth surface, restore the appearance and integrity of the tooth. 3, all-porcelain crown restoration: if the tooth in addition to demineralization, there are other defects, can also be all-porcelain crown restoration, can be set on the tooth surface all-porcelain crown, restore the beauty and function of the tooth.