If the tooth is very yellow how? Should go to where the whitening?

Teeth whitening, daily tooth whitening method: pay attention to clean, clean the teeth can effectively prevent teeth restain, can also be in the professional guidance to further the use of professional teeth whitening products. In addition, in the early in the evening to brush your teeth, to keep the mouth clean. Extrinsic tooth surface color is due to the existence of a variety of bacteria, which secrete sticky substances a lot, the daily diet of tea scale, smoke stains and the absorption of certain minerals in drinking water in the adhesive material, the teeth gradually turn yellow or black. How to whiten teeth, and teeth whitening products must choose professional, like the United States Pu Lu Witt abroad many people use, if can use this product, so that we can see the effect of!

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