Abstract
Objective: The objective of this study was to relate the dimensions of the mandibular condyle with sex and age by means of three-dimensional models obtained by cone-beam computed tomography images (CBCT). Material and Methods: 120 CBCT examinations were selected belonging to the archives of the ICT-UNESP Clinic of Radiology. They were divided into five age groups, each containing 12 individuals of each sex. Virtual three-dimensional models were then created and two measurements from each mandibular condyle were taken: anteroposterior (AP) and mediolateral (ML). The t-test was used for independent samples to compare the measurements. Results: The AP measurements only of the left side showed a statistical difference between the sexes between 31 to 40 years of age; in the ML measurements, there were statistical differences between the sexes in all age groups on both sides, except in the age group above 60 years. Conclusion: The ML measurements of the mandibular condyles, regardless of side, showed significant statistical differences between sexes and age groups, with a tendency to greater values in males, and may be a determinant factor of sexual dimorphism.KeywordsX-Ray computed Tomography; Radiology; Sexual characteristics; Forensic anthropology; Forensic dentistry.
Highlights
Forensic anthropology is a field of knowledge that broadens the methods of physical anthropology and archeology in a legal context, seeking to establish the identity of the subject through the individualization of characteristics intrinsic to the situation
According to the Scientific Working Group for Forensic Anthropology (SWGANTH), the post-mortem process of identification is an integral aspect of the medical-legal death investigation
The sample was composed of 120 conebeam computed tomography (CBCT) exams, with 60 exams from males and 60 from females
Summary
Forensic anthropology is a field of knowledge that broadens the methods of physical anthropology and archeology in a legal context, seeking to establish the identity of the subject through the individualization of characteristics intrinsic to the situation. Forensic dentistry is of great importance in the process of identification, especially when its professionals receive only the cephalic portion of the body for analysis. According to the Scientific Working Group for Forensic Anthropology (SWGANTH), the post-mortem process of identification is an integral aspect of the medical-legal death investigation. Forensic anthropologists identify human remains through the evaluation and comparison of information ante- and postmortem. Sexual dimorphism from the analysis of skeletal remains, as well as the other general parameters of medical-legal identification, is a crucial step in the forensic investigation [1]
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