Do you have to have a perscription to that teeth whitening gel that?

you get from dentist? Is this b.s. that you can only get this from your dentist??
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You better be careful in choosing for any oral product. A wrong choice may bring you more harm than good so be aware. Follow prescription first of a real dentist before deciding. Also be guided with the teeth whitening standards at http://www.maximumteethwhitening.com/ in choosing for a best choice of teeth whitening that doesn't give any kind of side effects.
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