what can you do to whiten your teeth in a cheap way? do crest strips really work? how do they work? and once you stop useing them..do the effects wear off? thanks in advance! =]
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Ive used Crest Whitening strips and they work soo well I love them. basically how they work is you put them on your teeth and the side that touches your teeth has the bleaching stuff on it... umm I used them like a year or so ago... and I have used them a couple of times since then, but thats just because i drink a TON of coffee... but I would definately reccomend them to anyone- they are cheap, easy to use, and effective.
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