Extensive perioral neuromuscular change with function regulator II therapy.
D000202:Activator Appliances; D002648:Child; D005152:Facial Muscles / Q000502:physiology*; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000628:therapy*; D008311:Malocclusion, Angle Class I / Q000209:etiology / Q000628:therapy*; D009055:Mouth / Q000502:physiology*; D009122:Muscle Hypertonia / Q000150:complications; D009968:Orthodontic Appliances, Removable