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Type: Journal article
Title: Sexual dimorphism in crown units of mandibular deciduous and permanent molars in Australian Aborigines
Author: Kondo, S.
Townsend, G.
Citation: HOMO: journal of comparative human biology, 2004; 55(1-2):53-64
Publisher: Urban & Fischer Verlag
Issue Date: 2004
ISSN: 0018-442X
Statement of
S. Condo, G.C. Townsend
Abstract: Sexual differences in the crown units of mandibular molars were investigated in Australian Aborigines. The first and second deciduous molars (dm1 and dm2), and first to third permanent molars (M1, M2 and M3) were measured on dental casts using a sliding caliper. Measurements of tooth crowns included overall mesiodistal and buccolingual diameters, as well as the mesiodistal and buccolingual diameters of the trigonid and talonid. Percentage dimorphism values were greater in the talonid dimensions than the trigonid, indicating that sex differences tend to be larger in the later-developing crown units. Sex differences in mesiodistal diameters increased from dm1 to M2 but decreased for M3, the tooth that showed the least dimorphism of all the molars. This result seems to be due to the marked variability in size of the M3 between individuals.
Keywords: Molar, Third
Tooth, Deciduous
Sex Characteristics
Reference Values
Native Hawaiian or Other Pacific Islander
Description: Copyright © 2004 Elsevier GmbH All rights reserved.
DOI: 10.1016/j.jchb.2003.10.001
Appears in Collections:Aurora harvest 6
Dentistry publications

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