Trust Your Dental Care to a Board-Certified Specialist in Flower Mound, TX. Board certified through the American Board of Oral and Maxillofacial Surgeons, Dr. Shillingburg completed advanced medical education and training focused on diagnosing and treating mouth and jaw conditions. Side-by-side with anesthesiologists, he also trained for several years in hospital-based anesthesia. His educational background, added to his many years of experience, results in practicing today at the highest level of professional standards and patient care. Not only has Dr. Shillingburg won best Oral Surgeon of Denton County in 2017 and 2018. He has over 10 years of experience treating patients in his state-of-the-art outpatient surgery center in Flower Mound.