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ORIGINAL ARTICLE
Year : 2018  |  Volume : 16  |  Issue : 1  |  Page : 72-74

Demirjian method of age estimation using correction factor among Indian children: A retrospective survey


1 Department of Health and Family Welfare, District Hospital, Chamarajanagar, India
2 Department of Public Health Dentistry, Government Dental College and Research Institute, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Priyadarshini Chandramohan
District Hospital, Chamarajanagar, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jiaphd.jiaphd_7_18

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Introduction: Age estimation is relevant in the field of medicine and dentistry, especially when matters of consent or identification or criminal liability arise. Dental age (DA) estimation is one of the most accurate, reliable methods of age determination. Among various radiological methods reported, Demirjian method is widely used for DA determination in children. Very few studies are reported using this method among the Indian population. Aim: The aim of this study is to assess and compare DA using Demirjian method with chronological age (CA) and determine correction factor if any among 11–16-year-old children in Bengaluru city, India. Materials and Methods: A retrospective study was performed from the archives of case records and panoramic radiographs of 200 children aged 11–16 years in a dental college in Bengaluru. DA was estimated using Demirjian method and compared with the CA that was obtained from records. Statistical Analysis Used: Student's t-test and Pearson's correlation test were used. A P < 0.05 was considered to be statistically significant. Results: There was statistically significant difference between DA and CA for boys and girls (boys: 13.80 ± 1.34 and 14.19 ± 1.54; girls: 13.80 ± 1.55 and 14.29 ± 1.46) (P < 0.01). Overall positive correlation was observed between CA and DA (r = 0.685) (P < 0.001). The correction factor was found to be 0.809. Conclusion: Considering the correlation between estimated DA and CA, it is concluded that Demirjian method can be applied in this population with a suitable correction factor.


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