Tooth decay

In this photo taken Friday, Aug. 3, 2018, Philippe Hujoel, a dentist and University of Washington professor, holds a toothbrush and toothpaste as he poses for a photo in an office at the school in Seattle. Dental health experts worry that more people are using toothpaste that skips the most important ingredient - the fluoride - and leaves them at a greater risk of cavities. (AP Photo/Elaine Thompson)
August 07, 2018 - 8:08 am
Dental health experts worry that more people are using toothpaste that doesn't contain fluoride, putting them at a greater risk of cavities. Most toothpastes already contain fluoride, and health authorities recognize it as a cavity blocker. But the internet is dotted with claims, largely from "...
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