title: Rapid Class II correction with a headgear-expander.
authors.forename: D W
authors.initials: DW
authors.lastname: Warren
mesh_terms: D002648:Child; D005115:Extraoral Traction Appliances; D005260:Female; D006801:Humans; D008297:Male; D008312:Malocclusion, Angle Class II / Q000628:therapy*; D010155:Palatal Expansion Technique / Q000295:instrumentation*