There are often patients face the introduction of doctors like a cloud, many types of porcelain teeth, which one should I choose? Here, I give you an introduction to the types of porcelain teeth and their advantages and disadvantages, I hope it will help you. Porcelain teeth called porcelain fused metal crowns, the basic structure is a metal crown plus a porcelain layer outside, according to the different materials of the metal crown, can be divided into nickel-chromium alloy porcelain, titanium alloy porcelain, cobalt-chromium alloy porcelain, precious metal porcelain, pure titanium porcelain, etc. 1, nickel-chromium alloy porcelain inner crown for the nickel-chromium alloy, due to some people are allergic to it, tends to be eliminated edge. But its low price, and adapt to the Chinese national conditions. Long-term use of the neck edge blackening phenomenon will be more obvious. Nickel-chromium alloy is divided into beryllium and does not contain beryllium two, the former is harmful to the body, only small processing plants are still in use. 2, containing titanium alloy porcelain inner crown for the nickel-chromium alloy containing 4-6% titanium, due to the addition of titanium, allergy chances are greatly reduced. The price is medium. 3, cobalt-chromium alloy porcelain inner crown alloy is cobalt-chromium alloy, in addition to the nickel element, biocompatibility greatly improved. In foreign countries is used as the lowest end of porcelain more. The price is medium. 4, precious metal porcelain inner crown for gold-platinum alloy, biocompatible, porcelain color soft, long life without the phenomenon of black lines on the neck edge , high price 5, pure titanium porcelain inner crown for pure titanium, biocompatible, light quality. Price is high. Does not affect the magnetic resonance. In addition, the application of all-porcelain teeth is becoming more and more widespread, there is a trend to replace the metal porcelain, all-porcelain teeth biocompatible best, the most realistic color, strength can also meet the needs and even have the advantage, mainly including cast porcelain teeth, aluminum oxide and zirconia all-porcelain teeth, in the front teeth cosmetic with irreplaceable advantages, the disadvantage is the price is high.