Dr. Thornton moved to Washington, DC in 2005 and practiced general dentistry at Whitman-Walker Clinic. He transitioned to private practice in 2008 and has become partner at Rusk, Thornton Dental Associates, P.C. Dr. Thornton is a member of the American Dental Association, District of Columbia Dental Society and the Renaissance study club. He values opportunities to participate in continuing dental education and exposure to emerging advances in the field.