A Rutgers pediatric dental expert discusses why fluoride in U.S. drinking water isn’t a concern. A recently-released study of the effects of fluoride on populations outside of the United States is fueling the debate on the use of this naturally occurring mineral that strengthens tooth enamel in tap water, raising unnecessary concern, said Mary Beth Giacona, an assistant professor of pediatric dentistry at Rutgers School of Dental Medicine. Giacona discusses the issues in the debate about water fluoridation. To read the full story.