title: Electromyographic recordings of the lateral pterygoid muscle in activator treatment of Class II, division 1 malocclusion cases.
mesh_terms: D000202:Activator Appliances; D002648:Child; D002675:Child, Preschool; D004200:Diseases in Twins; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000628:therapy*; D008312:Malocclusion, Angle Class II / Q000503:physiopathology / Q000628:therapy*; D008334:Mandible / Q000254:growth & development; D008410:Masticatory Muscles / Q000502:physiology*; D009968:Orthodontic Appliances, Removable; D011247:Pregnancy; D011626:Pterygoid Muscles / Q000502:physiology*; D014430:Twins, Monozygotic