1, chew some peanuts before brushing your teeth, leave peanut crumbs around your teeth, and then brush your teeth with a toothbrush. You can see the effect in a week.
2, wrap the orange meat with gauze, and then let the gauze wipe the teeth, the effect will be very good.
3. Take a bite of vinegar before brushing your teeth to ensure that vinegar can touch all parts of your teeth and spit it out. Then brush your teeth.
4. Put some salt in the toothpaste, which has a good whitening effect.
5. Be sure to brush your teeth carefully and brush every gap in your teeth in place. The choice of toothbrush is also very important. The bristles of a toothbrush are thick and thin, not for different age groups, but according to the degree of dentin allergy. The rough brush is too hard to clean the edges and corners easily.