Dr. Fling began his career in dentistry in 1974 as a laboratory technician. While maintaining a private practice (in cosmetic and restorative dentistry), he serves as a Course Director and is a Clinical Assistant Professor in the Department of Fixed Prosthodontics at the OU College of Dentistry. He is currently serving as the Director of Advanced Restorative Dentistry at the University of Oklahoma. Additionally, he is the President of Fling Seminars, which delivers stimulating advanced education and motivation to teams and technicians around the world. He has been named in Dentistry Today as one of the Top Clinicians in Continued Education every year since 2005.