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Teeth whitening question - how to whiten teeth?
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02-06-2010, 12:25 AM
Post: #21
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RE: Teeth whitening question - how to whiten teeth?
A small amount of fluorine, taken internally in city tap water, evidently has a beneficial effect for our teeth. I don't know what makes it so, but chlorine does not have the same effect (internally).
Learn an Automated Social Marketing technique WITHOUT Spending More than 5 Minutes Per Month at your Computer
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