title: A reassessment of the role of the activator in orthodontic treatment.
mesh_terms: D000202:Activator Appliances / Q000706:statistics & numerical data*; D000293:Adolescent; D002648:Child; D006801:Humans; D008334:Mandible; D009968:Orthodontic Appliances, Removable / Q000706:statistics & numerical data*; D009971:Orthodontics, Corrective; D063173:Retrognathia