All-ceramic teeth, also known as all-ceramic crowns, are porcelain restorations that cover the entire surface of the crown and do not contain a metal inner crown. As the inner crown no longer use metal, and the use of high strength porcelain material made of similar color with the teeth, so more beautiful than metal base porcelain restorations, semi-transparency and natural teeth similar to the restoration of the gingival margins of the performance of the more natural, can achieve the simulation effect, and has the advantages of no stimulation to the surrounding tissues, has been widely used in the clinic, especially in the anterior aesthetic restoration of the teeth are often chosen. Its processing and production method for the computer scanning model after the full numerical control mechanical cutting, precision is extremely high, in the digitalization of dentistry today, has surpassed the classic artificial porcelain technology, become a consumer mainstream.