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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

AGUILERA-MUNOZ, Felipe et al. Dental age Estimation by Pulp/Tooth Ratio in Mandibular Canines: Study in a Chilean Sample by Camerierer’s Method. Int. J. Morphol. [online]. 2020, vol.38, n.2, pp.322-327. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022020000200322.

Age estimation is an important aspect In forensic investigations. Different methods in forensic odontology based on the correlation between age estimation in adults, from the analysis of the pulp/tooth area, based on the apposition of secondary dentine. The aim of the study was to develop regression models for the dental age estimation by the relation pulp/tooth area, in lower canines in a Chilean sample, using digital peri-apical radiographs (DPR) applying Cameriere’s method. We analyzed 212 DPR (86 males and 126 females) mandibular canines through Image J program to measure the pulp/tooth area. Age and sex information was obtained of the DPR’s blindly selected. We developed simple linear regression models for age estimation. The coefficient of determination to R33 was R2 age and dental structures have been described. Cameriere et al. proposed a quantitative method for 27.8 % and R2 29.6 % to R44, with a mean absolute error of 11.02 years, to R33 and 10.37 years to R44. ANOVA analysis showed no statistically significant differences for the pulp/tooth relation area of canines according to sex (p> 0.05). According to the results, the Cameriere’s et al., method is reliable for dental age estimation according to pulp/tooth ratio in adults. However, in the regression models developed for Chilean population, it can be stated that the adjustment indicated by the coefficients of determination, show uncertainty between the pulp / tooth area and chronological age in lower canines, therefore it is suggested to use additional estimation methods for age in this population.

Palabras clave : Age determination; Pulp/tooth area; Forensic science; Forensic odontology; Cameriere´s method.

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