Then, Dr. I returned to the University of Pennsylvania to complete a two-year orthodontic residency. Along with recognition from the Denver community, Dr. I was awarded by the University of Pennsylvania for his research on the impact of orthodontics on facial aesthetics. Dr. Steven Clawson, DDS is a orthodontics & dentofacial orthopedics practitioner in Aurora, CO. Dr. Clawson completed a residency at University of Colorado At Denver. He currently practices at Appollonian Dental. He accepts multiple insurance plans. University of Colorado - Spine Surgery: Brown University, Providence, RI ... Ortho Carolina - Foot & Ankle Surgery ... Residency Program. Sky Ridge Medical Center, part of HCA’s HealthONE, is a 284-bed acute care facility located on a 57-acre campus in Lone Tree, Colorado. It is a full service facility including adult and pediatric ERs, Cancer Center, and Spine & Total Joint Center, along with The Women’s Hospital.