Fluoride: A Key to Dental Health

Some communities in the U.S. are debating whether to remove fluoride from water supplies. And it's also happening in Canada. Officials recently voted to stop water fluoridation in Montreal's West Island. Dr. Gerry Uswak, a public health dentist and dental therapy professor at the University of Saskatchewan, explains how fluoride protects teeth, while addressing controversial research linking fluoride with a variety of medical conditions.

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