Bad breath can be caused by a number of factors. We all know that certain foods, such as garlic, can lead to an unpleasant odor on the breath. This is not just the result of food residue in the mouth, but often comes from the lungs after food is absorbed into the bloodstream. Factors other…
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The effectiveness of whitening toothpastes on your teeth will depend on why they don’t look white in the first place. Whitening toothpastes chemically or mechanically help to remove stain on the tooth surface. There is no evidence they can whiten teeth from internal discoloration. The only whitening agents in toothpastes are abrasives that help rub…