What are the benefits of whitening teeth?

Fast tooth whitening methods are: 1. Dental veneer, is to paste a layer of material similar to normal tooth color on the surface of the tooth, so as to cover the color on the tooth. It has the advantages of beautiful color, good transparency, good biocompatibility, etc. The whitening effect is obvious. 2. Cosmetic crown, can solve the tooth color problem while improving the tooth shape, so as to achieve the best aesthetic effect. 3. Cold light whitening, after special cold light irradiation will be coated on the tooth surface whitening drugs penetrate into the tooth tissue and the whitening agent coagulation, so as to achieve the whitening effect. Cold light whitening operation is simple and convenient, does not damage the tooth body, but the effect can not last, half a year to two or three years will return to its original state.