I'm thinking of using crest whitening strips, but I am not exactly sure how they work. I know some teeth whitening methods sort of strip the enamel, and I know strips sometimes make teeth sensitive. Does this mean they are bad for teeth?
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They are totally worth it! Use them! I do and am totally happy with the results, and have no negative side effects! If you are worried about sensitivity, you can try the ones for sensitive teeth. I haven't used them though so I don't know how well they work. Just don't use the super advanced kind, cuz that kind has more chemicals. Stick to the original and I promise you will get great results!
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