Journal of Forensic Dental Sciences
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ORIGINAL ARTICLE
Year : 2019  |  Volume : 11  |  Issue : 2  |  Page : 95-102

Role of dental pulp in age estimation:A quantitative and morphometric study


1 Department of Oral Pathology, Al-Azhar Dental College, Thodupuzha, Kerala, India
2 Department of Oral Pathology, Vydehi Institute of Dental Sciences and Research Centre, Bengaluru, Karnataka, India
3 Apollo Dental Clinic, Mysore, Karnataka, India
4 Armaan Dental Clinic, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Anjum Baker
Department of Oral Pathology, Al-Azhar Dental College, Perumpillichira, Thodupuzha - 685 605, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jfo.jfds_57_19

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Context: This study was designed to characterize the role of the dental pulp (DP) in age estimation. Aim: The analysis of age-related quantifiable changes in DP components such as odontoblasts, collagen fibers, and blood vessels. Subjects and Methods: One hundred and twenty extracted teeth from six age groups (20–30 years, 31–40 years, 41–50 years, 51–60 years, 61–70 years, and 71–80 years) were subjected to decalcification and routine histopathological processing followed by Hematoxylin and Eosin and Picrosirius Red staining. Evaluation of the number of odontoblasts, mean vessel area (MVA), mean vessel diameter (MVD), and collagen fiber thickness were done. Statistical Analysis Used: ANOVA test, Fisher's test, and Regression Analysis. Results: Reduction in the number of odontoblasts/mm of pulp-dentinal border, MVA, and MVD were seen with advancing age. Rise in collagen fiber thickness was noted with increasing age. All parameters showed strongly statistically significant differences between age groups with P = 0.001 (ANOVA test). Conclusions: Regression formulae derived for age estimation based on data collected demonstrated linear correlation with age. Collagen fiber thickness had the highest accuracy followed by odontoblast numbers and MVA. MVD was the least accurate among the factors considered. However, the highest accuracy of 90.9% was seen when all parameters were incorporated together in a single equation.


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