Odontometric sex assessment from logistic regression analysis.

International Journal of Legal Medicine
Ashith B AcharyaMahadevayya V Muddapur

Abstract

Odontometric sex assessment is considered a useful adjunct to more robust predictors such as pelvic and cranial bones, and discriminant function analysis (DA) has been widely applied in dental sex assessment. Logistic regression analysis (LRA) is considered a better alternative, although still untested in odontometric sex prediction. This study examines the use of LRA in dental sex assessment and compares its success to DA. Mesiodistal and buccolingual dimensions of all teeth, except third molars, were obtained on dental stone casts of 105 young adults (52 females, 53 males) using digital caliper. Application of LRA to teeth of both jaws combined and to maxillary and mandibular teeth separately yielded correct sex allocation rates ranging from 76% to 100%, which proved superior to sex assessment using DA (∼52-71%). LRA enabled optimal sex prediction (100%) when all teeth in both the jaws were included. Results were not as accurate when only maxillary (76.2%) or mandibular (84.8%) teeth were used. To assess and compare the use of these multivariate techniques in practical forensic casework, >25% of tooth variables were randomly deleted. LRA still performed better (∼91% sex allocation accuracy vs. 62.9% for DA), indicating that L...Continue Reading

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Citations

Nov 17, 2010·Forensic Science, Medicine, and Pathology·P James Macaluso
Aug 6, 2013·Journal of Forensic and Legal Medicine·Punnya V AngadiAshith B Acharya
Nov 19, 2013·Journal of Forensic and Legal Medicine·Petra UrbanováMiroslav Šafr
May 17, 2011·Forensic Science, Medicine, and Pathology·Raveena ThaparAlka D Kale
Jan 30, 2013·Journal of Forensic and Legal Medicine·Megha GoyalVenkatesh G Naikmasur
Aug 3, 2013·American Journal of Physical Anthropology·Joan VicianoInmaculada Alemán
Jan 4, 2012·Journal of Forensic Sciences·Sheena M Harris, D Troy Case
Dec 19, 2015·Contemporary Clinical Dentistry·Achla Bharti YadavSumit Kumar Yadav
Sep 7, 2016·Journal of Forensic and Legal Medicine·Ismar Eduardo Martins FilhoEdgard Michel-Crosato
Dec 12, 2018·Forensic Science, Medicine, and Pathology·Álvaro AzevedoInês Morais Caldas
Nov 29, 2020·American Journal of Physical Anthropology·Christianne FernéeKate Robson Brown

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