White and healthy teeth can make people more confident, more attractive, and can also reduce the burden on the gastrointestinal tract, so more and more people begin to pay attention to teeth whitening. Nowadays, there are many methods of teeth whitening, and beauty lovers can choose the most suitable method according to their needs and actual situation.

What are the methods of teeth whitening?

1. Cold light whitening

Cold light whitening can remove the pigmentation on the surface of the teeth, and at the same time, it can penetrate deep into the teeth to achieve the purpose of depigmentation. The whole cold light whitening only takes 30 minutes, and there are no side effects, and the whitening effect lasts for a long time, which can reach two years. The above, tooth fluorosis, tetracycline tooth , pigmentation and tooth yellowing caused by enamel hypoplasia can all be whitened by this method.

2. Laser whitening

Laser whitening uses a higher concentration of bleach with an appropriate laser dose for whitening. Laser whitening can change the light-absorbing macromolecules in the tooth structure into small molecules, so that they no longer absorb light and achieve the purpose of whitening. In addition, the appropriate dose of laser irradiation can also seal the dentinal tubules, reduce the permeability of dentin, and avoid dentin sensitivity during the bleaching process.

3. Sandblasting teeth whitening

This method of teeth whitening is to use a special sandblasting tooth powder, which uses high air pressure to mix water and biological sea salt to spray the teeth, which has a cleaning effect. It removes smoke spots, tea stains and other pigmentation . It polishes the teeth and restores their natural luster. This tooth whitening method also has antiseptic and anti-inflammatory effects.

4, veneer whitening

Veneer whitening is to stick a layer of veneer on the surface of the teeth, which can cover the discolored teeth. The more popular dental veneers are resin veneer and porcelain veneer. Resin veneers are a process in which resin is applied to the surface after part of the tooth has been removed so that the tooth can maintain its original shape. Porcelain veneers combine the advantages of porcelain teeth and resin veneers, which are not only beautiful, but also very realistic.

5. Ultrasonic cleaning and whitening

Ultrasonic cleaning and whitening is actually the commonly known teeth cleaning. It refers to the use of scaling instruments to remove calculus and plaque, restore the original color of the teeth, and also has the effect of polishing the tooth surface, which can delay the plaque and calculus. time to re-deposition.

Kind tips

No matter which method is used to whiten teeth, daily maintenance cannot be ignored, because it will affect the length of time the whitening effect is maintained. Therefore, it is necessary to brush your teeth at least twice a day, and you should regularly wash your teeth and remove tartar. In addition, you must maintain the health of your periodontal and teeth. It is recommended to develop the habit of regular oral examinations.