An analytical approach to 3D orthodontic load systems

Thomas R. Katona, Serkis C. Isikbay, Jie Chen

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Objective: To present and demonstrate a pseudo three-dimensional (3D) analytical approach for the characterization of orthodontic load (force and moment) systems. Materials and Methods: Previously measured 3D load systems were evaluated and compared using the traditional two-dimensional (2D) plane approach and the newly proposed vector method. Results: Although both methods demonstrated that the loop designs were not ideal for translatory space closure, they did so for entirely different and conflicting reasons. Conclusions: The traditional 2D approach to the analysis of 3D load systems is flawed, but the established 2D orthodontic concepts can be substantially preserved and adapted to 3D with the use of a modified coordinate system that is aligned with the desired tooth translation.

Original languageEnglish (US)
Pages (from-to)830-838
Number of pages9
JournalAngle Orthodontist
Volume84
Issue number5
DOIs
StatePublished - Sep 1 2014

Keywords

  • Biomechanics
  • Moment-to-force ratio
  • Orthodontic force systems
  • T-loop archwire
  • Three-dimensional

ASJC Scopus subject areas

  • Orthodontics

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