How to fast teeth whitening? Be especially fast kind?

You can use salt, soda equivalent, water and mix thoroughly, daily brushing once a day,3--4can divide the tooth surface all stains, make teeth whiter. In addition, pineapple also contains a substance called pineapple enzyme, it can effectively remove dirt on the surfaces of the teeth, of course, need to be quick, can choose a few major superior product, the United States of America 's Proulx Witt is good, but it is too expensive

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