title: An investigation of the muscle activity of patients with Class II Division 2 malocclusion and the changes during treatment.
mesh_terms: D000202:Activator Appliances; D002508:Cephalometry; D002648:Child; D004576:Electromyography; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D008410:Masticatory Muscles / Q000502:physiology* / Q000503:physiopathology; D009971:Orthodontics, Corrective