Dental and skeletal changes in patients with mandibular retrognathismfollowing treatment with Herbst and pre-adjusted fixed appliance

摘要

ObjectiveTo assess the dentoskeletal changes observed in treatment of Class II, division 1 malocclusion patients with mandibular retrognathism. Treatment was performed with the Herbst orthopedic appliance during 13 months (phase I) and pre-adjusted orthodontic fixed appliance (phase II).