Now on the market way of tooth whitening is multifarious, more and more, but it is now the most common whitening methods mainly include: cold light whitening, porcelain teeth, cover and cleaning of these four, want to choose the right teeth whitening method, first of all to understand the characteristics of different whitening method, now let’s see!
Methods of tooth whitening common methods of tooth whitening. First, porcelain teeth are the original teeth worn off in a circle and covered with a layer of porcelain crown. At present, the most close to natural color cosmetic restoration method is fixed porcelain tooth restoration;
Veneer can be divided into ordinary resin veneer and porcelain veneer. The principle is to paste veneer on the tooth surface after grinding off part of the tooth, which can not only maintain the shape and size of the tooth as normal teeth, but also achieve the function of covering color and repairing defects.
The disadvantage is the need to grind teeth, many patients can not accept.
The operation process of cold light whitening method only takes 30 ~ 40 minutes, low temperature cold light completely avoids the stimulation of the tooth nerve in the operation process, the main component of whitening agent hydrogen peroxide, safe use in tooth decolorization has been for decades.
The whitening process with hydrophilic YAO and no contact with the gums will not cause any damage to the tooth structure and enamel.
Cold light whitening can last for more than two years because OF its one-time, non-irritating and non-side effect, so it is recognized as the most effective and safest whitening technology for tooth decolorization.
Three, cleaning for some teeth with pigment deposition, such as smoking stains or drinking strong tea, coffee patients, simple cleaning can restore the original white teeth.
Cleaning is divided into two kinds, one is the common ultrasonic cleaning, for patients with not serious pigmentation, ultrasonic cleaning can solve the problem.
But for patients with severe pigmentation, it is necessary to do sand blasting and cleaning.
Sandblasting is made of special salt sand combined with high pressure water to further clean the teeth.
Sand blasting can improve the gloss of the teeth, but sand blasting can cause some scratches on the surface of the teeth, and if the doctor doesn’t give the patient a thorough polishing, the pigmentation can easily cover the tooth again.
