This is an effect that ordinary porcelain teeth are difficult to achieve, because the opaque metal crown of ordinary porcelain teeth needs to cover the metal base, which affects the transparency of the prosthesis, making porcelain teeth have an obvious false feeling after beauty, and the "black line" caused by the metal base in the neck of the teeth affects the beauty.

All ceramic teeth with good transparency and refraction and high-strength inner crown solve this shortcoming, so that the tooth neck can also achieve a good aesthetic effect.

The hardness of porcelain teeth is greater than that of enamel, which may cause the wear of jaw teeth. The hardness of all ceramic teeth is similar to that of enamel, which will not cause wear to jaw teeth.

The metal inner crown of ordinary porcelain fused to metal teeth oxidizes in the mouth to form gray oxide, which is scattered and deposited on the gum edge, causing graying and affecting the appearance. All ceramic crowns with all ceramic teeth do not have this problem.

The metal of some porcelain teeth has serious irritation to gums, and some people (especially women) are allergic to it, causing gum swelling and bleeding, and even some patients are allergic to precious metals; No sensitive cases were found in all ceramic teeth.

The combination of metal and porcelain is a weak link in the restoration of porcelain fused to metal teeth. In this link, the peeling of porcelain and metal can often be seen, exposing gray black metal.

All ceramic teeth are porcelain, and the combination of porcelain and porcelain will not fall off。