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Model of Age Estimation Based on Dental Factors of Unknown Cadavers Among Iranians Publisher Pubmed



Monzavi BF1, 2 ; Ghodoosi A1 ; Savabi O1 ; Hasanzadeh A1
Authors
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Authors Affiliations
  1. 1. School of Dentistry, Azad University, horasgan Branch, Esfahan, Iran
  2. 2. Esfahan 81638, Chahar Bagh Bala Ave., Iran

Source: Journal of Forensic Sciences Published:2003


Abstract

Two hundred and ten cadavers ranging in age from 25 to 60 were studied. Thirty subjects from each five-year interval were selected, and data were collected using the mandibular anterior and premolar teeth after extraction. Sections ranging from 0.5 to 1.0 mm were measured by a stereo microscope with a precision of 0.1 mm. The following factors were determined: attrition, periodontosis, root resorption, secondary dentine apposition, cementum apposition, and translucency of the root. Statistical analysis used the sum of ranks of the dental factors as an independent variable in a linear regression model to estimate the age of the cadaver. Among the different mandibular teeth, the sum of ranks of the first premolar factors had the best correlation coefficient with age. The sum of the dental factors presented a better model than each of the factors alone. The first premolar is recommended as the first step in the estimation of age.
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