that, Dr. Logan graduated Phi Beta Kappa from the University of Missouri as an undergraduate. Dr. Logan worked as a general practitioner in the Southern California area for many years, running an office in San Diego prior to returning home to St. Louis. Dr. Logan has been practicing dentistry in the beautiful WingHaven community of O'Fallon since 2004. Dr. Logan’s O’Fallon dental office continues to adhere to his goals of creating and maintaining a healthy, beautiful smile for you and offering the most comfortable care possible.