Both porcelain and all-porcelain teeth are porcelain teeth, which can treat tooth decay and improve the color of the tooth surface, but there are many differences between the two types of porcelain teeth. The inner crown of porcelain teeth is made of metal, which is opaque and needs to be covered with some color masking material to hide the metal inside, a situation that tends to affect the restoration of the tooth. The plasticity of porcelain teeth is relatively low, porcelain teeth are prone to color change after cleaning, porcelain teeth are also prone to color deposition, easy to form a black line, resulting in unattractive teeth. However, porcelain teeth are cheap, so they are more commonly used in clinical practice. The color of all-porcelain teeth is closer to the natural teeth, looks more beautiful, all-porcelain teeth have better transparency, shading, and no difference with normal teeth, more beautiful. The hardness of all-porcelain teeth is similar to that of tooth enamel, which will not cause wear and tear on the oral mucosa during use, while the hardness of porcelain teeth is greater than that of tooth enamel, which will easily cause wear and tear on the oral mucosa during use, resulting in gum swelling and ulcers. In addition, porcelain teeth in the use of the process will also appear allergic phenomenon, while all-porcelain teeth will not, all-porcelain teeth in the use of safer, is now widely promoted. When choosing porcelain or all-porcelain teeth, you should decide according to your own conditions and choose the applicable porcelain teeth.