title: Muscle activity in class II, division 1 malocclusions treated by bite jumping with the Herbst appliance. An electromyographic study.
mesh_terms: D000202:Activator Appliances; D002648:Child; D003766:Dental Occlusion; D004576:Electromyography; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000628:therapy*; D008312:Malocclusion, Angle Class II / Q000503:physiopathology / Q000628:therapy*; D008406:Masseter Muscle / Q000502:physiology; D008409:Mastication; D008410:Masticatory Muscles / Q000502:physiology*; D009967:Orthodontic Appliances; D013703:Temporal Muscle / Q000502:physiology