Teeth Whitening Is Big Business, But Do Over-The-Counter Products Really Work?

From Health News : NPR:

A colleague of hers describes the tooth product aisle in stores as the “dental aisle of confusion,” because there are so many options. “You can easily get bewildered standing there trying to figure out which option is the best,” she says.

Source: Teeth Whitening Is Big Business, But Do Over-The-Counter Products Really Work : Shots – Health News : NPR

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