Sexual dimorphism of the maxillary postcanine dentition: A geometric morphometric analysis
Author
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López Lázaro, Sandra
Author
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Aleman, Inmaculada
Author
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Viciano, Joan
Author
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Irurita, Javier
Author
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Botella, Miguel C.
Admission date
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2021-08-05T00:06:43Z
Available date
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2021-08-05T00:06:43Z
Publication date
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2020
Cita de ítem
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Homo 71/4 (2020), 259–271
es_ES
Identifier
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10.1127/homo/2020/1170
Identifier
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https://repositorio.uchile.cl/handle/2250/181116
Abstract
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The aim of this work was to study the sexual dimorphism of the occlusal surface of the maxillary postcanine dentition using geometric morphometric techniques. This study evaluated 139 individuals as part of five osteological collections from municipal cemeteries in the province of Granada (Spain). The landmarks and semilandmarks were analysed by principal components analysis, canonical variate analysis and discriminant analysis. Only the fourth maxillary premolar showed significant sexual dimorphism; however, cross-validation values for shape variables were 64.44% for males and 63.60% for females and 60.17% for males and 60.99% for females when both shape and size variables were considered. The third maxillary premolar and first and second maxillary molars did not show significant sexual dimorphism. The results show that maxillary postcanine dentition cannot assist in sex estimation, either only shape or shape and size.
es_ES
Patrocinador
dc.description.sponsorship
Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT)
CONICYT FONDECYT