Often see some patients do a mouth full of porcelain teeth, some speechless, so write down this paragraph porcelain teeth by the inner layer of metal and the outer layer of porcelain, porcelain through high temperature baking to the metal. Porcelain teeth need to grind more of their own healthy teeth, once the grinding is impossible to find, unnecessary grinding will cause teeth easy to break, or the possibility of tooth decay after prolonged use, so when choosing porcelain teeth, caution, and then caution. 1, only the tooth color is not good, the first choice is tooth bleaching, then the second choice is porcelain veneers, and finally do porcelain and all-porcelain teeth 2, if the tooth defect is not large, do resin restoration or porcelain veneers will be more appropriate than doing porcelain teeth 3, in some invisible back teeth, you can choose inlays or metal crowns as appropriate, their chewing effect is the same, but less than porcelain teeth grinding the amount of healthy teeth. Finally, I would like to say: in the preservation of healthy tissue – functional – aesthetic comprehensive consideration, balance to find the most suitable.