Archive for June, 2009

Why do whitening strips cause teeth sensitivity?

lapreller asked:


Ive never had a problem with my teeth being sensitive. The other day I tried one of those crest teeth whitening strips and after one use, my teeth are so sensitive I cant stand it! What is causing this? The main ingredient is peroxide, which I though was in most toothpaste anyway. Is it going to cause damage to my teeth?

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