First, brushing your teeth is a must, twice a day, once after getting up in the morning and once before going to bed at night. Brushing teeth is a good basic method to inhibit bacterial overgrowth. It is also important to choose toothpaste when brushing your teeth. Choose the appropriate toothpaste according to the effect of gum, tongue coating and whitening. The special whitening method is not as good as adding some salt or baking soda to toothpaste, which is very effective for tooth whitening. The second is to rinse your mouth or brush your teeth after meals, so that the bacteria in your mouth don't multiply too much.
Second, the small coup of whitening teeth. In addition to adding some salt or baking soda to toothpaste mentioned above. We can also brush our teeth with lemon juice. Lemon juice can well remove the macula on teeth and achieve whitening effect. There is also dried tangerine peel, which is to eat the remaining orange peel, dry the orange peel and grind it into powder, and add it to toothpaste, which also has whitening effect.
Third, a good toothbrush can clean the mouth and whiten teeth more comprehensively. The function of ordinary toothbrush is only on the surface of teeth, and many tiny gaps between teeth can't be brushed, and these tiny gaps are the places where bacteria are most likely to breed. So it is also important to choose a good toothbrush, such as an electric toothbrush or a tooth washer. It can also rotate quickly and spray water in the middle, with obvious effect.