My teeth aren't bad, but I'd like a whiter smile. I've thought about those whitening strips, do they work well? Are they safe? I'm wondering if anyone has had bad experiences with them.
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they may make your teeth a little more sensitive, if so use an appropriate toothpaste. i advise going to the dentist to have them done though because even though it costs more, they become whiter and stay white for longer.
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