A Comparative Study on Some Odontometric Measurements among Adult Egyptian versus Adult Far Eastern Populations Using Multidetector Computed Tomography
Journal Title: Journal of Medical Science And clinical Research - Year 2014, Vol 2, Issue 2
Abstract
Identification is the recognition of a person based on certain characteristics like age, sex, stature and race which is the most controversial issue that a forensic anthropologist usually faces. Computed tomography (CT) allows effective imaging with three-dimensional reconstruction, also dental examination is broadly used to assist in postmortem identification. The present study aimed to evaluate the odontometric data of adult Egyptian and Far Eastern populations based on CT imaging as to assist in sex and race identification for medicolegal purposes. The study was carried out on 212 adult subjects (100 Egyptians and 112 Far Eastern) of both sexes (above 25 years old). Multidetector Computed Tomography scans of the skull with Multiplanar reformatting and reconstruction of high quality 3D models were performed. Mesiodistal (MD) widths of permanent right maxillary and mandibular canines as well as intercanine arch widths on both arches were measured. Mandibular and Maxillary canine indices of each subject were calculated. Mean values of Mandibular Canine Index (MCI) and MD dimensions of right mandibular canine were significantly greater in males compared to females in both population samples. There was no significant difference for maxillary canine index between both sexes in both groups. For both sexes, MD width of the mandibular canine showed the greatest racial dimorphism. Discriminate function analysis showed that Far Eastern population sample was classified with better accuracy (75.9%) than Egyptian sample (74%). Egyptian and Far eastern males were classified with better accuracy (92.5%, 92% respectively) than Egyptian and Far Eastern females (75 %, 90% respectively).
Authors and Affiliations
Wafaa Mohamed Elsehly
Keywords
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