We've all seen the adverts on Tv, or the packets in the shops. http://www.tridentgum.com/#/products/whi… etc.... But does it actually work? They all say they're scientifically proven to, but where is the evidence, Where is the PDF on this experiment to be found? And for all the dentists out there, do you find that the patients who chew these gums have whiter teeth?
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Scientifically proven, but probably on a very minute scale. Chewing gum cannot give you the results that professional whitening products will give you.
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