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Title: Age estimation by pulp/tooth ratio in lateral and central incisors by peri-apical X-ray
Authors: Cameriere, R. 
Cunha, E. 
Wasterlain, S. N. 
De Luca, S. 
Sassaroli, E. 
Pagliara, F. 
Nuzzolese, E. 
Cingolani, M. 
Ferrante, L. 
Keywords: Adolescent; Adult; Age Determination by Teeth; Aged; Analysis of Variance; Dental Pulp; Female; Forensic Dentistry; Humans; Incisor; Linear Models; Male; Middle Aged; Periapical Tissue; Young Adult
Issue Date: 2013
Project: info:eu-repo/grantAgreement/FCT/5876/147309/PT 
Serial title, monograph or event: Journal of Forensic and Legal Medicine
Volume: 20
Issue: 5
Abstract: Since 2004, several papers on the analysis of the apposition of secondary dentine have been published. The aim of this paper was to study a sample of peri-apical X-ray images of upper and lower incisors, both lateral and medial, to examine the application of pulp/tooth area ratio as an indicator of age. A sample of 116 individuals, 62 men and 54 women, aged between 18 and 74 years, was studied. Data were fitted with age as a linear function of the pulp/tooth ratio of incisors. The total variance explained by the regression equation ranged from 51.3% of age, when lower lateral incisors were used as explanatory variable, to 81.6% when upper lateral incisors were used. The accuracy of the corresponding regression model yielded ME = 8.44 and 5.34 years, respectively. These results show that, although incisors are less reliable than canines or lower premolars, they can be used to estimate age-at-death when the latter are absent.
DOI: 10.1016/j.jflm.2013.02.012
Rights: embargoedAccess
Appears in Collections:I&D CIAS - Artigos em Revistas Internacionais

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