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ORIGINAL ARTICLE
Year : 2016  |  Volume : 6  |  Issue : 3  |  Page : 119-128

A Comparative Analysis between Width and Length Variables in Kvaal's and Cameriere's Methods of Age Estimation in a Specific Populace of Andhra Pradesh


1 Department of Oral Medicine and Radiology, Government Dental College and Hospital, Srinagar, Jammu and Kashmir, India
2 Department of Oral Medicine and Radiology, Sibar Institute of Dental Sciences, Guntur, India
3 Department of Oral Medicine and Radiology, Saraswati Dhanwantari Dental College and Hospital and Post-Graduate Research Institute, Parbhani, Maharashtra, India
4 Department of Oral Medicine and Radiology, Lenora Institute of Dental Sciences, Rajahmundry, Andhra Pradesh, India

Correspondence Address:
Abhishek Singh Nayyar
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2321-8568.195317

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Context: Comparison between ante- and post-mortem dental records and radiographs produces results with a high degree of reliability and relative simplicity. Kvaal et al. introduced an age estimation method by indirectly measuring secondary dentin deposition on radiographs. Cameriere et al., later, put forth a method based on radiographic estimation of pulp/tooth area ratio (AR) in canines. The purpose of the present study was to assess the validity and reliability of the various width and length variables in Kvaal's and Cameriere's methods of age estimation in a specific populace of Andhra Pradesh origin. Materials and Methods: One hundred and ten patients aged between 15 and 75 years were selected, and the variables p = complete pulp length/root length (from enamel-cementum junction [ECJ]-root apex), r = complete pulp length/complete tooth length, a = complete pulp length/root width at ECJ level, b = pulp/root width at midpoint level between ECJ level and mid-root level and c = pulp/root width at mid-root level and pulp/tooth AR were recorded as devised in Kvaal's and Cameriere's methods of age estimation, respectively. Statistical Analysis: Statistical analysis was performed with SPSS software (version 10.5) package. Mean comparison of morphological variables was carried out using Student's t-test. Intra- and inter-observer reproducibility of measurements was studied using the concordance correlation coefficient. Results: Of all the morphological variables, variables such as p = complete pulp length/root length (from ECJ-root apex), r = complete pulp length/complete tooth length and mean (M), length (L) and pulp/tooth AR correlated significantly, with age with variable p = complete pulp length/root length (from ECJ-root apex) correlating the best amongst them. Conclusion: Variables associated with width ratios (a = complete pulp length/root width at ECJ level, b = pulp/root width at midpoint level between ECJ level and mid-root level and c = pulp/root width at mid-root level) rather than length ratios (p = complete pulp length/root length [from ECJ-root apex] and r = complete pulp length/complete tooth length) correlated best with chronological age in the populace of Andhra Pradesh origin.


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