All-ceramic restoration is a general term for metal-free porcelain restoration, which makes up for the many defects of metal porcelain technology, and has good cosmetic dental efficacy. In the past 20 years a variety of new all-ceramic restoration techniques and materials continue to appear, the clinical application is becoming more and more widespread. All-porcelain teeth than the advantages of traditional restoration is: 1, all-porcelain teeth can be personalized adjustment of human teeth repair. But the price is higher than traditional restoration. 2, do all-porcelain teeth friends can see the effect of restoration in advance. The whole restoration process can communicate directly with the doctor. 3, all-porcelain teeth to avoid the complex process of traditional restoration, all-porcelain dental restoration can be completed in as little as one hour, without the need to do temporary crowns. 4, all-ceramic teeth biological: 1, set back missing teeth: on the lack of teeth, the use of missing teeth before and after the teeth to do fixed teeth, plus the missing teeth will be how many all-ceramic dental crowns together, will be cemented to the fixed teeth, you can set back missing teeth. 2, the correction of abnormal dental development: on the unusual dental development, such as too small teeth, wide gaps, individual teeth, enamel underdevelopment, etc., these all-porcelain dental restoration can be restored to the shape of the teeth, tone to the ideal form. 3, dental treatment repair: many dental treatment will leave dental problems, such as endodontic treatment is easy to form tooth discoloration, fillings scattered and tooth fracture, the use of all-porcelain dental restoration can be prevented. 4, the repair of teeth yellow and black signs: such as tetracycline teeth, dental fluorosis, dead pulp teeth can be repaired by way of all-porcelain teeth.