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VOLUME 1 , ISSUE 3 ( October-December, 2010 ) > List of Articles

RESEARCH ARTICLE

Orthodontic Force Distribution: A Three-dimensional Finite Element Analysis

M Hemanth, Siddharth D Lodaya

Citation Information : Hemanth M, Lodaya SD. Orthodontic Force Distribution: A Three-dimensional Finite Element Analysis. World J Dent 2010; 1 (3):159-162.

DOI: 10.5005/jp-journals-10015-1032

Published Online: 01-03-2012

Copyright Statement:  Copyright © 2010; The Author(s).


Abstract

This study was designed to investigate the stress pattern and magnitude in periodontal ligament of maxillary central incisor for tipping and bodily tooth movement using finite element method and to determine the optimal orthodontic force required for bodily tooth movements compared to previous clinical, histologic, and laboratory studies. The three-dimensional FEM consisting of 27000 isoparametric elements of maxillary central incisor was constructed based on the average anatomic morphology given by Wheeler. Principal stresses in PDL were determined for tipping and bodily tooth movement. On application of optimal forces for tipping and bodily tooth movement, stress value seen in PDL was less, however the distribution of stress pattern coincided with the previous studies.


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  1. Contemporary Orthodontics (3rd ed). Mosby Co., St. Louis 2000;296.
  2. Force in Orthodontics and its relation to tooth movement. Australian Journal of Dentistry 1952;56: 11-18.
  3. An optimal orthodontic force theory as applied to canine retraction. American Orthodontist 1975;68:290-301.
  4. Relationship between tooth movement rate and estimated pressure applied. Journal of Dental Research 1965;44:1053
  5. Holographic measurement of tooth mobility in three-dimensions. J Perio Res 1978;13:283-94.
  6. Location of centers of resistance for anterior teeth during intrusion using the laser reflection technique. Am J Orhod Dentofac Orthop 1986;90:211-20.
  7. Geometry and mechanics as related to tooth movement studies by means of a 2-D model. J Am Dent Assoc 1963;66:157-64.
  8. Canine retraction: A photoelastic study. Am J Orthod 1975;67:11-23.
  9. Centre of rotation of a maxillary central incisor under orthodontic loading. Br J Orthod 1977;4:23-27.
  10. The finite element method (4th ed). Mcgraw Hill: New York 1988.
  11. Wheelers dental anatomy, physiology and occlusion (7th ed). Author-Ash 1993.
  12. A stress analysis of the periodontal ligament under various orthodontic loadings. Eur J Orthod 1991;13:231-42.
  13. A finite element model of apical force distribution from orthodontic tooth movement. Angle Orthod 2001;71:127-31.
  14. Stresses induced by edgewise appliances in the periodontal ligament. A finite element Study. Angle Orhod 1992;1:15-22.
  15. Three-dimensional finite element analysis for stress in the periodontal tissue by orthodontic forces. Am J Orthod Dentofac Orthop 1987;92:499-505.
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