products to try and whiten my teeth, but nothing really works that well. Here are some of what I've tried. Crest Premium White Strips Bright Now which was done in the mall.. Take home Dental Trays/dental whitener from my dentist. The product that worked the best was actually the crest premium white strips, but I had to use them everyday for about three weeks before I saw any change and my teeth began to get very sensitive. And I still didn't get white teeth they just looked really clean. Can gray undertone teeth become white, if so what can I use to whiten them dramatically?
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