*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q. A caller on your radio show said that using Crest desensitizing toothpaste instead of the usual brand had abolished his ...

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While many of us pine for toothpaste-commercial-white teeth as much as we do symmetrical features or a thick head of hair, the desire for a brighter smile isn't just a matter of vanity. Research ...