title: Crowding: timing of treatment.
authors.forename: J L
authors.initials: JL
authors.lastname: Hockel
mesh_terms: D003724:Dental Arch / Q000254:growth & development; D003818:Dentition, Mixed; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D008334:Mandible; D009967:Orthodontic Appliances; D009971:Orthodontics, Corrective / Q000379:methods*; D012008:Recurrence