Walk down the toothpaste aisle at your typical drugstore and you'll see a range of products that promise to whiten your teeth. Whitening toothpaste, whitening strips, a whitening gel that you can ...
“I see a lot more attention on pretty smiles,” says Clifton Carey, a chemist at the University of Colorado’s School of Dental Medicine. Tooth whitening, in particular, is “a big thing these days. A ...
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