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Postmortem computed tomography age assessment of juvenile dentition

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Alison L Brough
  • Bruno Morgan
  • Sue Black
  • Catherine Adams
  • Guy N. Rutty
<mark>Journal publication date</mark>07/2014
<mark>Journal</mark>International Journal of Legal Medicine
Issue number4
Number of pages6
Pages (from-to)653-658
Publication StatusPublished
<mark>Original language</mark>English


Age estimation is one of the primary demographic features used in the identification of juvenile remains. Determining the accuracy and repeatability of age estimations based on postmortem computed tomography (PMCT) data compared with those using conventional orthopantomography (OPT) images is important to validate the use of PMCT as a single imaging technique in forensic and disaster victim identification (DVI). In this study, 19 juvenile mandibles and maxilla of known age underwent both OPT and PMCT. Three raters then estimated dental age using the resulting images and 3D reconstructions. This assessment showed excellent agreement between the age estimations using the two techniques for all three observers. PMCT also offers a greater range of measurements for both the dentition and the whole human skeleton using a single image acquisition and therefore has the potential to improve both the speed and accuracy of age estimation.