Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Dental age estimation using cone-beam computed tomography: A systematic review and meta-analysis

  • Faezeh Yousefi (Department of Oral and Maxillofacial Radiology, Hamadan University of Medical Sciences) ;
  • Younes Mohammadi (Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences) ;
  • Mehrnaz Ahmadvand (Department of Oral and Maxillofacial Radiology, Hamadan University of Medical Sciences) ;
  • Parnian Razaghi (Dental Research Center, Hamadan University of Medical Sciences)
  • Received : 2022.12.26
  • Accepted : 2023.01.25
  • Published : 2023.06.30
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Abstract

Purpose: This systematic review aimed to investigate the correlation between chronological age and dental pulp volume in cone-beam computed tomography (CBCT). Materials and Methods: The literature was searched in 4 databases(PubMed, Scopus, Web of Science, and Google Scholar). Within each study, the outcome of interest was the correlation (r) between chronological age and pulp volume. A random-effect meta-analysis was conducted. Subgroup analysis was carried out according to sex and tooth type. Results: Of 5,693 identified studies, 27 fulfilled the inclusion criteria and were selected for meta-analysis. These articles focused on single-rooted teeth (n=21), multi-rooted teeth (n=6), maxillary teeth (n=14), mandibular teeth (n=6), and maxillary and mandibular teeth (n=12). The relationship between chronological age and dental pulp volume was examined in the entire population (r= -0.67), men (r= -0.75), and women (r= -0.77) in single- and multi-rooted teeth. The results of the total population analysis showed a relatively strong negative relationship between age and pulp volume. Conclusion: This study suggested that CBCT is a reliable and repeatable tool for dental age estimation. A strong inverse relationship was observed between pulp chamber volume and age. Further studies on the correlation between chronological age and pulp volume of multi-rooted teeth may be beneficial.

Keywords

Acknowledgement

This study was partially adapted from an MD thesis(number: 140007205832) in maxillofacial radiology, which was supported by the Vice-Chancellor of Research and Technology, Hamadan University of Medical Sciences, Hamadan, Iran.

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