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Now a kind of tooth whitening comes out semi-permanently. What technology is it?
Common tooth whitening methods mainly include cold light whitening, laser whitening and porcelain teeth. Below, let's take a look at these tooth whitening methods.

1, cold light tooth whitening

Cold light tooth whitening is a new tooth whitening technology popular in Europe and America. It can not only remove the pigment deposition on the surface of teeth, but also enter the deep layer of teeth to achieve the effect of decoloration.

Indications: dental fluorosis, tetracycline teeth, pigmentation, enamel hypoplasia, dental caries and dead pulp teeth.

Advantages: Cold light tooth whitening technology can improve the effect by 5- 14 vita, which is not only better than similar products, but also exceeds the whitening effect of household braces by more than 30%. The operation process only takes 30 minutes, without side effects, and the whitening effect can last for more than two years.

2. Laser tooth whitening

The light wave of laser tooth whitening system will produce a strong catalytic reaction when it encounters pigment precipitation which is in great contrast with the natural color of teeth, and the effect will be more obvious under the great reaction.

Indications: Tetracycline teeth, coffee teeth, dark smoke spots and melanin teeth.

Advantages: In the process of tooth beauty, the laser tooth whitening system has no pain, no side effects and no harm to delicate gums. Not only saves time and effort, but also saves money and worry.

3. Porcelain teeth

We can set the color of porcelain teeth according to consumers' psychological expectations, grind healthy teeth into small cones, and then put the finished porcelain crown on the ground teeth.

Indications: Severe tetracycline teeth, dental fluorosis, incomplete teeth and serious dentition.

Advantages: the tooth whitening effect is obvious, the durability is high, the compactness is good, and the color effect is close to natural color.