title: Type II tooth cusp occurrence asymmetry in a human monozygotic twin pair.
abstract: A Type II tooth cusp occurrence asymmetry proposed for human twins in 1974 but not observed until recently was described in a female monozygotic twin pair.
authors.affiliation: Orthodontic Department, College of Dentistry, The University of Iowa, Iowa City 52242, USA.
authors.forename: R N
authors.initials: RN
authors.lastname: Staley
authors.forename: J P
authors.initials: JP
authors.lastname: Vance
authors.forename: C D
authors.initials: CD
authors.lastname: Loucks
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D014070:Tooth / Q000033:anatomy & histology*; D014071:Tooth Abnormalities; D014094:Tooth, Deciduous / Q000033:anatomy & histology; D014430:Twins, Monozygotic