Castle Hills 3D Orthodontics is the leading Orthodontics and Dentofacial Orthopedics practice in Lewisville, TX. Led by Dr. Amal Seifelnasr, recognized as one of the Three Best Rated dentists in Lewisville, TX. Castle Hills 3D Orthodontics provide preventive, interceptive and comprehensive orthodontic services utilizing the latest orthodontic technologies, including i-CAT FLX-V17 3D imaging system, the iTero 3D digital scanner. As Damon self-ligating system user we offer no expanders and less extractions. free airway analysis will be included into your free consultation. We treat children, teenagers and adults including Cleft lip and palate patients. We offer affordable treatment plan options as well as in-house financing.