Okay I used the crest strips right before my prom last year which made a really big difference. ive never had braces but i did have cavities when i was a kid. my teeth are now whiter then theyve ever been and always get ppl complimenting them all the time. yes they do work, yes they taste like shit, yes they do hurt my gums and teeth a little, but u get used to it. now i just have to get my bf to use them!
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