There is no best way to whiten teeth, each has its own advantages and disadvantages, according to the specific circumstances of the choice of ultrasonic cleaning, cold light whitening, porcelain veneers, porcelain crowns and other methods to achieve teeth whitening.
1. Ultrasonic cleaning: Incomplete brushing of teeth leads to accumulation of plaque and calculus on the surface of the teeth causing yellowing of the teeth, which can be removed by ultrasonic cleaning to remove the calculus and plaque, so as to whiten the teeth.
2. Cold light source whitening: mild fluorosis and other causes of yellowing teeth, can be whitened by cold light source whitening way to make the teeth white, but easy to recolor, every 3-5 years need to re-whitening.
3. Porcelain veneers: grinding away a very thin layer of enamel on the lip side of the teeth and then repairing with porcelain veneers can make the teeth whiter.
4. Porcelain crowns: various causes of tooth discoloration, can be restored through the porcelain crowns to make the teeth whiter, but the need to grind more dental tissue, easy to lead to tooth sensitivity and so on.
There is no best way to whiten teeth, after the discoloration of teeth to the hospital in time, under the advice of the doctor to choose the best whitening program.