RIDOH Oral Health Program Dental Director, Dr. Samuel Zwetchkenbaum joins Dr. Philip Chan in this episode to talk about a subject that’s gotten some recent media attention – fluoride. Why is it added to some public water systems and how does it benefit oral health? While there has been quite a lot of discussion following the release of a major study on fluoride in drinking water, Dr. Zwetchkenbaum shares what he knows on the subject and sets the record straight.