Does Micro-CT Accurately Reconstruct Fragmented Teeth in Forensics? - Summary - MDSpire

Does Micro-CT Accurately Reconstruct Fragmented Teeth in Forensics?

  • By

  • Andrea Surnit

  • May 15, 2026

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Objective:

To evaluate the accuracy of micro-computed tomography (micro-CT) in digitally reconstructing fragmented teeth for forensic applications.

Key Findings:
  • Mean deviation between reconstructed and reference meshes was 0.012 mm for the first operator and 0.017 mm for the second operator.
  • Root-mean-square distances were 0.048 mm and 0.060 mm for the two operators, respectively.
  • Nearly all reconstructed regions fell within the ±0.05 mm deviation threshold for forensic analyses.
  • Interoperator bias was below 0.01 mm, with measurements within 95% limits of agreement.
  • Premolars showed slightly higher root-mean-square values compared to incisors and canines.
Interpretation:

Micro-CT demonstrates strong potential for accurate forensic dental reconstruction, with high precision in capturing both external and internal tooth structures.

Limitations:
  • Study focused on healthy teeth and used controlled fragmentation, not reflective of typical forensic scenarios.
  • Exclusion of teeth with extensive damage or fragmentation.
  • Micro-CT systems are less accessible than conventional forensic imaging methods.
Conclusion:

Micro-CT is a promising tool for forensic dental reconstruction, but further validation with damaged specimens is necessary for broader application.

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