The principle of porcelain dentistry is to restore the normal form of a tooth by bonding a porcelain restoration to the tooth. Porcelain teeth, also known as porcelain-fused-to-metal full crowns, are a structure consisting of a metal inner crown and a porcelain powder that can be modified into the form of a tooth for various purposes, which is bonded to the prepared abutment by an adhesive that primarily restores the tooth’s function. Porcelain teeth have the strength of metal and the beauty of porcelain, as well as wear-resistant, acid and alkali resistant properties, low price, so the clinical application of a wide range; need to put forward is that its metal inner crown will affect the MRI examination, the examination often need to be removed; the inner crown of the base metal worn into the oral cavity with the prolongation of time some of the patient’s gums will be metal overflow, presenting a black color, which affects the aesthetics. There are pros and cons for each type of restoration, so it is recommended to go to the dentistry department of a regular hospital to choose the right program for you.