Nasal profile assessment using geometric morphometrics in a sample of Chilean population. Clinical and forensic implications Evaluación del perfil nasal mediante morfometría geométrica en una muestra de población Chilena. Implicancias clínicas y forenses
Author
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López, Bernarda
Author
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Toro, Viviana
Author
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Schilling, Alejandro
Author
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Galdames, Iván Suazo
Admission date
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2019-03-11T13:04:01Z
Available date
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2019-03-11T13:04:01Z
Publication date
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2012
Cita de ítem
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International Journal of Morphology, Volumen 30, Issue 1, 2018, Pages 302-308
Identifier
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07179502
Identifier
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07179367
Identifier
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10.4067/S0717-95022012000100054
Identifier
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https://repositorio.uchile.cl/handle/2250/165592
Abstract
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The search of morphological patterns of nasal profile using traditional morphometrics has been the goal of several studies aiming to orient therapeutical planning and forensic techniques such as facial reconstruction. The present study aims to find and describe such patterns with geometric morphometric tools in a sample of Chilean population with geometric morphometric tools. We used the lateral X-rays of 156 individuals (men and women) and 14 landmarks in bone and soft tissues. Procrustes analysis was performed followed by principal component analysis to assess general shape variation, regression of shape components against centroid size to study to allometric effect and discriminant analysis by sex with cross-validation test. Our results show the lack of shape patterns, and that the size, followed by sex, explains within a limited scope the shape changes which suggests the presence of uncontrolled variables and a high effect of inter-individual variation. In general terms bigger prof
Nasal profile assessment using geometric morphometrics in a sample of Chilean population. Clinical and forensic implications Evaluación del perfil nasal mediante morfometría geométrica en una muestra de población Chilena. Implicancias clínicas y forenses