title: Class II Division 2 malocclusion: genetics or environment? A case report of monozygotic twins.
abstract: A pair of monozygotic twins with different malocclusion phenotypes (Class II Division 2 and Class II Division 1) is presented. The case report supports the hypothesis that heredity is not the sole controlling factor in the etiology of Class II Division 2 malocclusion.
authors.affiliation: Department of Orthodontics, University of Giessen, Germany. Sabine.Ruf@dentist.med.uni-giessen.de
authors.forename: S
authors.initials: S
authors.lastname: Ruf
authors.forename: H
authors.initials: H
authors.lastname: Pancherz
mesh_terms: D002648:Child; D004200:Diseases in Twins; D006801:Humans; D008297:Male; D008312:Malocclusion, Angle Class II / Q000235:genetics* / Q000628:therapy; D009967:Orthodontic Appliances; D009971:Orthodontics, Corrective