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Publication
Sex prediction based on mesiodistal width data in the portuguese population
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Advisor(s)
Abstract(s)
Accurate sex prediction is a key step in creating a postmortem forensic profile as it excludes approximately half the population. It is our goal to develop a predictive model to establish sex through teeth mesiodistal widths in a Portuguese population. The pretreatment dental casts of 168 of Portuguese orthodontics subjects (59 males and 109 females) were included. Mesiodistal widths from right first molar to left first molar were measured on each pretreatment cast to the nearest 0.01 mm using a digital caliper. Overall, the mesiodistal widths of the upper and lower canines, premolars, and molars were found to be significantly different between females and males. Conversely, no significant differences between sexes were identified for incisors. A multivariate logistic regression model for sex prediction was developed and the teeth included in the final reduced model being the upper left canine (2.3), the lower right lateral incisor (4.2) and the lower right canine (4.3). There is a prevalence of sexual dimorphism in all teeth except the incisors. The canines present the most noticeable difference between sexes. The presented sex determination predictive model exhibits an overall correct classification of 75%, outperforming all available models for this purpose and therefore is a potential tool for forensic analysis in this population.
Description
Keywords
Forensic dentistry Sex determination sexual dimorphism dental measurements predictive model Portuguese population
Citation
Neves, J. A., Antunes-Ferreira, N., Machado, V., Botelho, J., Proença, L., Quintas, A., Mendes, J. J., & Delgado, A. S. (2020). Sex Prediction Based on Mesiodistal Width Data in the Portuguese Population. Applied Sciences, 10(12), 4156. https://doi.org/10.3390/app10124156
Publisher
MDPI