Teresa A. Marshall, PhD, RDN/LDN, is a professor in the Department of Community and Preventive Dentistry at the University of Iowa College of Dentistry in Iowa City. A registered, licensed dietitian, she teaches nutrition curriculum to dental students and studies the dietary relationships between caries, erosion and systemic health. Marshall serves as a research editor for the Association of Nutrition and Dietetics, and is a member of the International Association of Dental Research and American Dental Education Association. She can be reached at teresa-marshall@uiowa.edu.