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, Marshall teaches nutrition curriculum to dental students and studies the dietary relationships between dental caries, erosion, and systemic health. She serves as a research editor for the Association of Nutrition and Dietetics and is a member of the International Association of Dental Research and the American Dental Education Association. Marshall can be reached at: teresa-marshall@uiowa.edu.