Comparative study of sex estimates in adult skulls using direct measurement and tomographic image reconstruction

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art_ROSA_Comparative_study_of_sex_estimates_in_adult_skulls_2023.PDF (774.73 KB)
Citações na Scopus
1
Tipo de produção
article
Data de publicação
2023
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
SOCIEDADE BRASILEIRA DE PESQUISA ODONTOLOGICA
Autores
ROSA, Ezequiel Ortiz
CROSATO, Edgard Michel
OLIVEIRA, Rodrigo Elias
BIAZEVIC, Maria Gabriela Haye
Citação
BRAZILIAN ORAL RESEARCH, v.37, article ID e064, 10p, 2023
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Sex estimation is an important procedure in forensic anthropology for human identification. The development of new technologies, such as three-dimensional computed tomography (CT), has provided excellent alternatives for this purpose. This study examined and compared a morphological method for sex estimation using two different approaches - direct measurement of physical structures and tomographic analysis using 3D images. A total of 111 skulls from the Museum of Human Anatomy at the University of Sao Paulo (MAH-USP) were used, (60 males and 51 females). All specimens were scanned by Philips Brilliance 64 CT scanner equipment and their corresponding images were reconstructed in three-dimensional (3D) models. The morphological characteristics of the skulls were analyzed by an observer who was blinded to the sex of the specimens. Five cranial structures were analyzed: external occipital crest, mastoid process, supraorbital margin, glabella, and mental eminence. The structures were scored 1 to 5 according to Buikstra and Ubelaker and validated by Walker. The success rates of the sex estimates obtained through direct measurement of the dry skulls ranged from 67.4% to 70.4% as compared to 60.2% to 68.1% for CT reconstruction. When analyzed separately, the maximum accuracy of the method was 68.33% in males and 88.24% in females in the physical analysis of structures. The glabella and mastoid process were the most effective structures to estimate sex through both techniques, respectively. Our results show that 3D CT images can be accurately used in the morphological analysis for sex estimation, representing a viable alternative in forensic anthropology.
Palavras-chave
Skull, Forensic Anthropology, Tomography, Forensic Dentistry
URI
https://observatorio.fm.usp.br/handle/OPI/56038
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MDR
Artigos e Materiais de Revistas Científicas - HC/InCor