Can vinegar whiten teeth? Can taking a sip of vinegar before brushing teeth really whiten your teeth?

Hello everyone, today I will share with you some knowledge about whether vinegar can whiten teeth, and an analysis of the question of whether taking a sip of vinegar before brushing teeth can really whiten teeth. If you all understand, you can ignore it. If you are not sure, you can read it. After reading this article, I believe there is a high probability that

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