Yellow teeth caused by exogenous pigmentation or plaque buildup can be washed away, but yellow teeth caused by enamel underdevelopment, fluorosis, tetracycline, etc. cannot be washed away, and can be improved by whitening and other means.
1. Exogenous pigmentation or plaque buildup: ultrasonic scaling is often chosen to clean up the pigment and plaque adhering to the tooth surface and make the teeth whiter.
2. Enamel underdevelopment: Enamel underdevelopment without substantial defects can be selected for cold light whitening; enamel underdevelopment with substantial defects, especially the front teeth, can be selected for porcelain crowns, all-porcelain crowns or porcelain veneers to restore the beauty of the teeth.
3. Fluorosis, tetracycline teeth: yellow teeth can not be washed off, can be whitened by cold light whitening or teeth bleaching to make the teeth white, but cold light whitening is easy to recolor, generally every 3 to 5 years need to re-whiten.
Yellow teeth to the hospital in time, according to the cause of yellow teeth to choose the best treatment program, to restore the beauty of the teeth.