title: The twin block technique. Part 2.
authors.forename: W J
authors.initials: WJ
authors.lastname: Clark
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D008312:Malocclusion, Angle Class II / Q000628:therapy*; D017289:Orthodontic Appliances, Functional; D009971:Orthodontics, Corrective / Q000379:methods*