2. When brushing your teeth, add baking soda, orange peel and lemon juice. Toothpaste can effectively remove dirt on the surface of teeth and play a whitening role.
3. A xylitol chewing gum after a meal. Xylitol is a natural sweetener, which can prevent dental plaque.
4. Wash your teeth every six months. Tooth washing itself can remove tartar, whiten teeth, reduce and avoid periodontitis, but not too frequently.
Extended data:
Precautions:
With the improvement of living standards, more and more people begin to pay attention to the health and whitening of teeth. As a result, various tooth whitening advertisements appeared, and tooth whitening methods such as tooth bleaching, cold light whitening, porcelain teeth, and patch whitening also emerged one after another. But these whitening methods will do harm to the teeth themselves. Tooth bleaching generally follows the principle of chemical bleaching, which does great harm to the enamel of the outer layer of teeth, easily making teeth lose the protection of the outer layer and become extremely sensitive. However, the use of porcelain teeth and other methods to grind off enamel may bring periodontitis, gingival atrophy and other problems.
People's Network-The whiter the teeth, the better? There is a little trick to correct whitening.