Journal Article

Variation in the cranial base orientation and facial skeleton in dry skulls sampled from three major populations

Kazuto Kuroe, Antonio Rosas and Theya Molleson

in The European Journal of Orthodontics

Published on behalf of European Orthodontics Society

Volume 26, issue 2, pages 201-207
Published in print April 2004 | ISSN: 0141-5387
Published online April 2004 | e-ISSN: 1460-2210 | DOI: http://dx.doi.org/10.1093/ejo/26.2.201
Variation in the cranial base orientation and facial skeleton in dry skulls sampled from three major populations

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The aim of this study was to analyse the effects of cranial base orientation on the morphology of the craniofacial system in human populations. Three geographically distant populations from Europe (72), Africa (48) and Asia (24) were chosen. Five angular and two linear variables from the cranial base component and six angular and six linear variables from the facial component based on two reference lines of the vertical posterior maxillary and Frankfort horizontal planes were measured.

The European sample presented dolichofacial individuals with a larger face height and a smaller face depth derived from a raised cranial base and facial cranium orientation which tended to be similar to the Asian sample. The African sample presented brachyfacial individuals with a reduced face height and a larger face depth as a result of a lowered cranial base and facial cranium orientation. The Asian sample presented dolichofacial individuals with a larger face height and depth due to a raised cranial base and facial cranium orientation.

The findings of this study suggest that cranial base orientation and posterior cranial base length appear to be valid discriminating factors between different human populations.

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Subjects: Restorative Dentistry and Orthodontics

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