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Technical note: A freeware, equitable approach to dental topographic analysis.

Matthew J Morley1, Michael A Berthaume1

  • 1Division of Mechanical Engineering and Design, London South Bank University, London, UK.

American Journal of Biological Anthropology
|July 26, 2023
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Summary

This study demonstrates that free, accessible software can achieve statistically similar results to expensive proprietary tools for dental topographic analysis, making the method more widely available.

Keywords:
MeshLabdental topographic analysisfreewaremolaRsmoothing

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Area of Science:

  • Paleontology
  • Bioarchaeology
  • Forensic Anthropology

Background:

  • Dental topographic analysis is crucial for quantifying dental morphology.
  • Existing methods rely on costly proprietary software, limiting accessibility for many researchers.
  • There is a need for cost-effective alternatives to facilitate wider adoption of dental topographic analysis.

Purpose of the Study:

  • To investigate the feasibility of using freeware for pre-processing dental surfaces in topographic analysis.
  • To compare the effectiveness of various freeware decimation and smoothing tools.
  • To propose a reliable freeware workflow for dental topographic analysis.

Main Methods:

  • Evaluated 4 decimation and 13 smoothing tools from 7 different freeware packages.
  • Compared surfaces generated using freeware with those from proprietary software.
  • Assessed the statistical similarity of measurements obtained from different workflows.

Main Results:

  • Freeware pre-processing workflows were developed and tested.
  • While exact replication of proprietary software outputs was not achieved, statistically similar measurements were obtained.
  • The proposed freeware workflow provides a viable alternative for dental topographic analysis.

Conclusions:

  • Freeware offers a cost-effective and accessible solution for dental topographic analysis.
  • Researchers can achieve comparable results to proprietary methods using the proposed freeware workflow.
  • This study promotes broader access to dental topographic analysis techniques.