title: Functional appliances: a mortgage on mandibular position.
authors.affiliation: Department of Orthodontics and Pediatric Dentistry, University of Michigan, Ann Arbor 48109-1078, USA.
authors.forename: L E
authors.initials: LE
authors.lastname: Johnston
mesh_terms: D002508:Cephalometry; D006801:Humans; D008310:Malocclusion / Q000503:physiopathology / Q000628:therapy; D008334:Mandible / Q000502:physiology*; D008445:Maxillofacial Development; D017289:Orthodontic Appliances, Functional