To put it bluntly, is not it does not cost to whiten teeth? The following seven ways: First, vinegar can remove tartar, tobacco stains tips: frequent smokers, teeth will be smoked on a layer of black and yellow tartar, it is difficult to brush off with toothpaste, but the vinegar brush will be able to make the teeth to tartar white. Contain half a mouth of vinegar, in the mouth gargle for 2-3 minutes, and then spit out, and then brushing, and finally wash with water, repeated several times can remove the tartar. Second, the end of orange peel do toothpaste can clean teeth net: orange peel research into fine powder, every day when brushing teeth mixed into the toothpaste a little, not only can make the teeth white, full of fragrance, because the orange peel is also very strong antiseptic sterilization effect, long-term adherence to the effective fixed teeth. Third, cuttlefish bone powder can effectively clean teeth: cuttlefish bone into fine powder used to brush, teeth can be yellow to white. Fourth, baking soda teeth: use a toothbrush dipped in some baking soda (edible alkali), according to the normal method of brushing, one to two times a week, each time for three minutes, both can make the teeth to keep bright and clean. Five, with lemon juice white teeth: every night after brushing, with gauze dipped in some lemon juice, rubbing teeth, teeth will become white and bright. Lemon has a strong cleansing power, but also has a whitening effect, and contains vitamin C, can strengthen the root of the teeth. Six, strawberry teeth whitening: a fresh strawberry crushed for brushing or strawberries cut into slices to rub the teeth, adhere to a week or so will have a noticeable effect, and then occasionally used to keep it, affordable. The effect is also good. Seven, with salt and toothpaste brush: squeeze the toothpaste on the toothbrush, and then go dip some salt on it, morning and evening twice a day, adhere to the use of a week on a significant effect. Salt is edible salt, cheap and practical, and fast results, no side effects. Some toothpaste itself is containing salt, but the effect is not obvious after use, need to be used for a long time.

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