Do teeth whitening toothpastes really work?
Teeth whitening toothpastes that you buy at the drug store help to whiten your teeth a little, but they are not as effective as a take-home whitening kit provided by your dentist. The gel in take-home kits has more whitener, and the custom whitening trays allow the gel to stay in contact with your teeth longer for more noticeable whitening.
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