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Background: To determine the age or status of Juvenile or adult based on Third Molar Development in population belonging to south India for medico-legal or Forensic application. Objectives: Application of Mincer (ABFO recommended) method of dental age estimation through third molars in Indian population using digital OPGs and deriving Indian specific simpler formula for age estimation. Methodology: The study was conducted on 400 digital OPGs (200 males, 200 females) of the age groups 14-22 years. They were divided into 8 groups (50 in each age group). Which were taken with PROMAX digital Planmeca Machine. Staging of all four third molars were done using Mincer adapted Demirjian et al., [9] mineralization stages A-H. Statistical analysis was performed, Descriptive statistics were obtained by calculating the means, standard deviations, and Regression formulas were obtained for calculating direct dental age from tooth developmental stages, Empirical probability was also obtained. Results: Result showed a strong relation of age with development stages of third molar teeth. The standard deviation of mean of tooth development stages is ± 0.5 to ±1 years of age. Conclusion: As shown in the stepwise regression analysis lower left third molar (38) is not significantly contributing for predicting the age, hence the use of all four molar (maxillary and mandibular right and left third molars) provided a statistically significant improvement in predictive accuracy, From the observation, the present study predicted ages are closure to the observed ages.

A Simpler Way of Medico-Legal Age Estimation for Indian Population Using Mincer Third Molar Method