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Related Experiment Video

Updated: Jul 5, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
07:32

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

Digital macro-photogrammetry in orthodontic tooth movement: case report.

P Hlongwa1, F G Sander, M Geiger

  • 1Dept of Orthodontics, University of Limpopo, Medunsa Campus, South Africa. phlongwa@ul.ac.za

SADJ : Journal of the South African Dental Association = Tydskrif Van Die Suid-Afrikaanse Tandheelkundige Vereniging
|May 27, 2008
PubMed
Summary

Digital macro-photogrammetry (DMP) effectively monitored canine retraction, a key orthodontic tooth movement. This 3D imaging technique offers a cost-effective, on-site solution for tracking treatment progress.

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Area of Science:

  • Orthodontics
  • Biomedical Engineering
  • Dental Imaging

Background:

  • Assessing 3D tooth movement is crucial in orthodontics.
  • Traditional methods can be time-consuming and costly.
  • The Hybrid Retractor (HR) spring is used for canine retraction post-premolars extraction.

Observation:

  • Digital macro-photogrammetry (DMP) was employed to capture canine movement.
  • 3D coordinates (X, Y, Z) were generated from digital photographs.
  • Measurements were taken from initial treatment (T0) to final canine retraction (T8).

Findings:

  • Canine distalization averaged 6.78 mm over 258 days.
  • Maximum canine movement velocity reached approximately 1 mm/month.
  • DMP accurately tracked orthodontic tooth movement in a clinical setting.

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Last Updated: Jul 5, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
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Published on: February 23, 2024

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Published on: April 15, 2021

Implications:

  • DMP provides a viable, cost-effective method for monitoring orthodontic tooth movement.
  • The technique integrates easily into existing orthodontic practices with digital photography.
  • On-site measurements using DMP enhance clinical workflow efficiency.