1. Tooth loss, and generally require fewer missing, adjacent teeth and healthy, although there is no inflammation or inflammation, but be dental equipment controlled with treatment by a medical examination may be considered to do porcelain dental restoration.
2. Porcelain teeth or tooth color indication of poor form, such as tetracycline, a small conical teeth and so on.
3. Abnormal morphology and dentition orthodontic patients do not, consider doing porcelain dental restoration.
4. Due to trauma and broken teeth or residual roots, such as the Appearance during orthodontic tooth root of sufficient length, periodontal situation is better, after a complete root canal therapy, porcelain dental restoration can be.
5. Dental caries or tooth defects large, gray or brown discoloration of the teeth, porcelain dental restoration can increase the beauty and strength.
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