Thank you for visiting our website for SuperKids! Dr. Liu has Four offices: Sterling, VA, Alexandria, VA, Potomac, MD, and Rockville, MD. Dr. Liu provides specialty dental care for children from newborn infants to 18 years of age. SuperKids Pediatric Dentistry has the specialized equipment, facility and staff to properly address today’s most demanding pediatric dentistry needs in a warm and caring environment. Dr. Liu is a Specialty-trained pediatric dentist dedicated to establishing a clean and healthy smile for your children.