Tetracycline a discolored tooth once formed is difficult to eliminate the serious harm to young people in physical and mental health, and the modern methods of treatment can be broadly divided into:
The first method is a bleaching method, it applies to the staining to a lesser extent (light yellow). Type of bleach, but the main ingredients of peroxide in urine, while the active ingredient is the peroxide in urine hydrogen peroxide, the bleaching effect of hydrogen peroxide oxidation, the specific use to consult a doctor.
The second method is a photosensitive resin cover, heavier staining in severe teeth. The general practice in the patients mouth, the direct use of the etching agent deal with the tooth surface will apply an adhesive composite resin covering the teeth, formed visible light curing, this method is short operating time, the price is cheaper . Asian and African Dental recently introduced a Swiss porcelain resin, which is characterized by adding 80% of the ceramic material on the basis of the composite resin in the past, so wear high polishing effect, with a similar sense of refraction with Treatment of exogenous pigment teeth real teeth. Materials, rich colors, 15 colors, divided enamel color, transparent color of the dentin color and the cut ends. The multi-purpose adhesive used with the hydrophilic adhesive can be bonded to enamel and dentin bonding solid and durable. The introductions of porcelain resin porcelain material and greatly improve the effect of light-cured resin to repair defects in teeth, cover discolored teeth.