Age estimation in the living: Transition analysis on developing third molars

Forensic Science International : Synergy
Sara TangmoseJesper Boldsen

Abstract

A radiographic assessment of third molar development is essential for differentiating between juveniles and adolescents in forensic age estimations. As the developmental stages of third molars are highly correlated, age estimates based on a combination of a full set of third molar scores are statistically complicated. Transition analysis (TA) is a statistical method developed for estimating age at death in skeletons, which combines several correlated developmental traits into one age estimate including a 95% prediction interval. The aim of this study was to evaluate the performance of TA in the living on a full set of third molar scores. A cross sectional sample of 854 panoramic radiographs, homogenously distributed by sex and age (15.0-24.0 years), were randomly split in two; a reference sample for obtaining age estimates including a 95% prediction interval according to TA; and a validation sample to test the age estimates against actual age. The mean inaccuracy of the age estimates was 1.82 years (±1.35) in males and 1.81 years (±1.44) in females. The mean bias was 0.55 years (±2.20) in males and 0.31 years (±2.30) in females. Of the actual ages, 93.7% of the males and 95.9% of the females (validation sample) fell within the ...Continue Reading

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Citations

Jul 19, 2016·Forensic Science International : Synergy·Daniel FranklinRoberto Cameriere
Nov 16, 2017·International Journal of Legal Medicine·Emanuele SironiVilma Pinchi
Dec 7, 2018·European Radiology·Veslemøy RolsethGunn Elisabeth Vist
Oct 15, 2019·Acta Odontologica Scandinavica·Wanwisah Namwong, Scheila Mânica
Apr 18, 2019·International Journal of Legal Medicine·Mari MetsäniittyPatrick Thevissen
Jun 15, 2019·International Journal of Legal Medicine·N AngelakopoulosR Cameriere
Oct 28, 2016·International Journal of Legal Medicine·Javier Irurita Olivares, Inmaculada Alemán Aguilera
Dec 29, 2020·Forensic Science International : Synergy·Thomas WidekEva Scheurer
Feb 20, 2018·Journal of Forensic and Legal Medicine·Emanuele SironiFranco Taroni
Nov 13, 2021·International Journal of Legal Medicine·Nicolene JoosteMaryna Steyn

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