John J. Warren, DDS, MS, is a professor in the Department of Preventive and Community Dentistry at the University of Iowa College of Dentistry in Iowa City, where he directs the graduate program in dental public health. A board-certified public health dentist, he serves as secretary-treasurer of the American Board of Dental Public Health. An active researcher, Warren has published more than 150 peer-reviewed papers. He can be reached at john-warren@uiowa.edu.
Although the prevalence and increased severity of caries in Native American children is well documented, the causes — and solutions — are less clear-cut.