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Year : 2016  |  Volume : 1  |  Issue : 1  |  Page : 21-24

Age determination among different age groups using enamel-etching patterns: Scanning electron microscopy analysis

Department of Conservative Dentistry and Endodontics, Saveetha Dental College, Chennai, Tamil Nadu, India

Correspondence Address:
James D Raj
Department of Conservative Dentistry and Endodontics, Saveetha Dental College, Chennai, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2542-5013.185697

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Background: The determination of age and sex is among the important aspects of forensic anthropology and vital in medicolegal investigations. Enamel is the hardest known substance in the human body. As tooth matures, the surface layer of the enamel presents hypermineralization features, which could influence the features of the etching pattern. Aim: The purpose of the present study is to assess if the enamel surface can be used as a parameter to determine the age. Materials and Methods : Sixty freshly extracted teeth from individuals with known age group were collected and etching procedure was done, and then subjected to scanning electron microscope analysis. Statistical Analysis: Chi-square test was done  using SPSS software (Statistical Package for the Social Sciences (SPSS), USA). Results and Conclusion: The predominant etching pattern seen in 20-30 year age group after acid etching for 15 s is Type I pattern (66%), while in 50-60 year age group, it is Type II pattern (61.6%). A significant difference was observed in the respective age groups among the type of etching pattern. This technique can be a very useful adjunct for age determination in the field of forensic odontology.

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