White teeth are so desirable that we bleach these tiny, living bones in our mouth to get a few shades closer to blinding. But Price warns that brightness doesn't equate to healthfulness. “Unfortunately, as we get older, hair gets whiter and teeth get darker," he says. "That’s just the course of life." There’s nothing wrong with wanting youthful, white teeth but be careful not to go overboard. Excessive bleaching can wear down the enamel. If possible, stick to whitening toothpastes instead of peroxide-containing bleaching agents which can irritate the tissue around your gums and cause tooth sensitivity.
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