Porcelain teeth are beautiful and comfortable, the price is relatively high, so be careful when using. The main function of the front teeth is aesthetic, pronunciation and cut off food, therefore, porcelain dental restoration of the front teeth, there are beautiful and pronunciation of the role of the lips and teeth, but should not chew food, easy to lead to partial loss, if the teeth are done root canal treatment, may break, it is best to avoid using; the main function of the back teeth is chewing, porcelain restoration of the back teeth, should also be used with care, should not open the cap and bite sand and other hard objects, otherwise Easy to cause porcelain on the porcelain teeth chipped off or root fracture, which may need to re-produce porcelain teeth, or even extracted.