title: Incidental arch widening and the sagittal II appliance.
authors.forename: T J
authors.initials: TJ
authors.lastname: Spahl
mesh_terms: D003724:Dental Arch / Q000503:physiopathology; D006801:Humans; D008312:Malocclusion, Angle Class II / Q000628:therapy*; D008437:Maxilla; D009967:Orthodontic Appliances; D009971:Orthodontics, Corrective / Q000379:methods*