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Original Research

Open Access

A comparison of estimated age based on pulp volume from cone beam computed tomography (CT) images and panoramic radiography data with chronological age

  • Yelda Polat1,*,
  • Sema Çelenk1

1Department of Pediatric Dentistry, Faculty of Dentistry, Dicle University, 21280 Diyarbakır, Turkey

DOI: 10.22514/jocpd.2024.043 Vol.48,Issue 2,March 2024 pp.149-162

Submitted: 22 September 2023 Accepted: 29 November 2023

Published: 03 March 2024

*Corresponding Author(s): Yelda Polat E-mail: yelda.polat@dicle.edu.tr

Abstract

This retrospective study was conducted to evaluate different methods for dental age estimation in children and to examine the feasibility of using cone beam computed tomography (CBCT) data for age estimation. A total of 200 radiographic records (both digital panoramic radiographs and CBCTs) were acquired from 100 children aged 9 to 16 years, all taken on the same dates. Radiographic data was acquired from archived records and included both panoramic radiography and CBCT data belonging to the same individual. CBCT was used when panoramic radiographic data was insufficient. The pulp volume and pulp/tooth volume ratio of the left first molar teeth in the mandible were calculated from the CBCT data using MIMICS software. In addition, age was estimated by the Demirjian and Willems methods from data obtained from panoramic radiography images. Statistical analyses and linear regression analysis were performed as necessary. There was a statistically significant difference between the mean difference between the Demirjian method and chronological age, and between the Willems method and chronological age (p < 0.001). Statistically significance was achieved in a linear regression model created from pulp volume (R2 = 0.098) and pulp/tooth volume ratio (R2 = 0.395) data for the estimated dental age analysis (p < 0.001) and a negative correlation was observed with chronological age. When compared estimated dental age from CBCT data with chronological age, the pulp/tooth volume ratio method yielded results closer to chronological age than using only pulp volume data. When considering both panoramic radiographic age estimation methods and age estimation methods using CBCT data, we found that the results obtained with the Willems method, a panoramic radiographic age estimation technique, provided the closest results to the chronological age. More contributions should be made to the literature regarding the feasibility of age estimation using pulp and tooth volume as an alternative method.


Keywords

Cone beam computed tomography; Age determination; Pulp volume; Tooth volume; MIMICS; Panoramic radiography


Cite and Share

Yelda Polat,Sema Çelenk. A comparison of estimated age based on pulp volume from cone beam computed tomography (CT) images and panoramic radiography data with chronological age. Journal of Clinical Pediatric Dentistry. 2024. 48(2);149-162.

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