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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
FORENSIC CORNER - ORIGINAL ARTICLE Table of Contents   
Year : 2015  |  Volume : 19  |  Issue : 1  |  Page : 100-105
Age estimation by modified Demirjian's method (2004) and its applicability in Tibetan young adults: A digital panoramic study


1 Department of Oral Medicine and Radiology, Maharashtra Institute of Dental Science and Research Dental College, Maharashtra Institute of Technology Campus, Latur, Maharashtra, India
2 Department of Oral Pathology, Maharashtra Institute of Dental Science and Research Dental College, Maharashtra Institute of Technology Campus, Latur, Maharashtra, India
3 Department of Oral Medicine and Radiology, Hyderabad Karnataka Education Society's Nijalingappa Institute of Dental Science and Research, Gulbarga, Karnataka, India
4 Department of Conservative Dentistry and Endodontics, Hyderabad Karnataka Education Society's Nijalingappa Institute of Dental Science and Research, Gulbarga, Karnataka, India
5 Department of Oral Medicine and Radiology, School of Dental Sciences, Krishna Institute of Medical Sciences University Karad, Satara, Maharashtra, India
6 Department of Periodontology, HKDET'S Hyderbad Karnataka Development Education Trust's College, Hospital and Research Institute, Humnabad, Department of Conservative Dentistry and Endodontics, Hyderabad Karnataka Education Society's Nijalingappa Institute of Dental Science and Research, Gulbarga, Karnataka, India

Correspondence Address:
Dr. Shobha C Bijjaragi
Maharashtra Institute of Dental Science and Research Dental College, Latur, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-029X.157223

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Context: Estimation of the age is a procedure adopted by anthropologists, archeologists and forensic scientists. Different methods have been undertaken. However none of them meet the standards as Demirjian's method since 1973. Various researchers have applied this method, in both original and modified form (Chaillet and Demirjian in 2004) in different ethnic groups and the results obtained were not satisfactory. Aims: To determine the applicability and accuracy of modified Demirjian's method of dental age estimation (AE) in 8-18 year old Tibetan young adults to evaluate the interrelationship between dental and chronological age and the reliability between intra- and inter observer relationship. Settings and Design: Clinical setting and computerized design. Subjects and Methods: A total of 300 Tibetan young adults with an age range from 8 to 18 years were recruited in the study. Digital panoramic radiographs (DPRs) were evaluated as per the modified Demirjian's method (2004). Statistical Analysis Used: Pearson correlation, paired t-test, linear regression analysis. Results: Inter -and intraobserver reliability revealed a strong agreement. A positive and strong association was found between chronological age and estimated dental age (r = 0.839) with P < 0.01. Modified Demirjian method (2004) overestimated the age by 0.04 years (2.04 months)in Tibetan young adults. Conclusions: Results suggest that, the modified Demirjian method of AE is not suitable for Tibetan young adults. Further studies: With larger sample size and comparision with different methods of AE in a given population would be an interesting area for future research.


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