Dr. Katie Kosten

Dr. Kosten is a native of southern Illinois and graduated summa cum laude with a BS in Biological Sciences from Southern Illinois University Edwardsville in 2002. After graduation, she became a high school chemistry teacher and coach at Edwardsville High School. Knowing she still had a desire to pursue a career in healthcare, Dr. Kosten returned to dental school and graduated summa cum laude with her DMD degree from Southern Illinois University School of Dental Medicine in 2009. Early in her career, Dr. Kosten served as the dental director for a non-profit pediatric dental clinic while continuing to treat patients in private general practice. In 2016, she returned to SIU School of Dental Medicine as faculty, where she currently serves as the Director of Community Dentistry and Clinical Assistant Professor. She is in private practice at Foley Dental Group in Glen Carbon, IL and Baines Dental Wellness in Springfield, IL, both of which are complete health practices where she treats adults and children. Most recently, Dr. Kosten committed to furthering her knowledge in the area of nutrition and complete health by graduating from the Institute for Integrative Nutrition in 2025.

Dr. Kosten is a member of the American Dental Association, Illinois State Dental Society, and is a past-president of the Madison District Dental Society. She previously served on the ADA’s Council on Advocacy for Access and Prevention. She is a member of the honorary dental fraternity Omicron Kappa Upsilon and was the recipient of the Illinois State Dental Society's 2017 William J. Greek Memorial Leadership Award. Dr. Kosten has been selected as a fellow of the American College of Dentists, the International College of Dentists, and the Pierre Fauchard Academy.