Comparative study of cranial measurements between sexes from Brazil and The Netherlands: A cone-beam computed tomography study

Thiago Oliveira Gamba, Matheus L. Oliveira*, Isadora Luana Flores, Heraldo Luis Dias Da Silveira, Gerard C.H. Sanderink, W. Erwin R. Berkhout

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The objective of this study was to better understand human variation by comparing cone-beam computed tomography-based cranial measurements between both sexes of individuals from two distinct populations: Brazilian and Dutch. Cone-beam computed tomography volumes of 311 patients between 20 and 60 years from Brazil and The Netherlands were selected. Two radiologists performed 16 linear measurements in the maxillary sinuses and mandibular canal. Kruskall–Wallis test compared measurements of the two cranial structures between male and female for the two populations and four age ranges (20–30, 31–40, 41–50, 51–60). Mann–Whitney test compared individual measurements obtained from the cranial structures between male and female for each population, and between both populations for both sexes. Intra- and inter-observer reliability was assessed by intraclass correlation test (α = 0.05). No significant differences were found in the linear measurements among the experimental groups including sex, population and age group for both cranial structures (p > 0.05). Most of the cranial linear measurements were significantly higher for male than those for female irrespective of the population (p ≤ 0.05). When the populations were compared regardless of sex, Brazilians presented four significantly higher measurements, and Dutch presented seven significantly higher measurements (p ≤ 0.05). The assessed cranial structures did not differ between Brazilian and Dutch populations for both sexes and four age ranges. Multiple linear measurements differed between both populations with a predominance of larger dimensions for the Dutch population.

Original languageEnglish
Pages (from-to)334-341
Number of pages8
JournalJournal of Anatomy
Volume243
Issue number2
Early online date18 Mar 2023
DOIs
Publication statusPublished - Aug 2023

Bibliographical note

Funding Information:
This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior ‐ Brasil (CAPES) ‐ Finance Code 001.

Publisher Copyright:
© 2023 Anatomical Society.

Keywords

  • cone-beam computed tomography
  • ethnic groups
  • forensic anthropology
  • forensic dentistry
  • mandible
  • maxillary sinus

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