Effect of play between bracket and archwire on anterior tooth movement in sliding mechanics: A three-dimensional finite element study

Jun ya Tominaga, Pao Chang Chiang, Hiroya Ozaki, Motohiro Tanaka, Yoshiyuki Koga, Christoph Bourauel, Noriaki Yoshida

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Objectives. The aim of this study was to clarify the effect of the play between the bracket and the archwire on anterior tooth movement subjected to the retraction force from various lengths of power arms in sliding mechanics. Materials and Methods. A three-dimensional finite element method was used to simulate en masse anterior tooth retraction in sliding mechanics. The displacements of the maxillary incisor and the archwire deformation were calculated when the retraction force was applied. Results. When a play did not exist, bodily movement was obtained at 5.0 mm length of power arm. In case a play existed, bodily movement was observed at the power arm length of 11.0 mm. Conclusions. In the actual clinical situation, a bracket/archwire play and the torsion of the archwire within the bracket slot should be taken into consideration to prescribe an optimal power arm length and to achieve effective anterior tooth movement.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalJournal of Dental Biomechanics
Volume3
Issue number1
DOIs
Publication statusPublished - Dec 20 2012
Externally publishedYes

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Tooth Movement Techniques
Mechanics
Arm
Incisor
Tooth

Keywords

  • Deformation of archwire
  • Finite element method
  • Play
  • Power arm
  • Sliding mechanics

ASJC Scopus subject areas

  • Dentistry (miscellaneous)

Cite this

Effect of play between bracket and archwire on anterior tooth movement in sliding mechanics : A three-dimensional finite element study. / Tominaga, Jun ya; Chiang, Pao Chang; Ozaki, Hiroya; Tanaka, Motohiro; Koga, Yoshiyuki; Bourauel, Christoph; Yoshida, Noriaki.

In: Journal of Dental Biomechanics, Vol. 3, No. 1, 20.12.2012, p. 1-8.

Research output: Contribution to journalArticle

Tominaga, Jun ya ; Chiang, Pao Chang ; Ozaki, Hiroya ; Tanaka, Motohiro ; Koga, Yoshiyuki ; Bourauel, Christoph ; Yoshida, Noriaki. / Effect of play between bracket and archwire on anterior tooth movement in sliding mechanics : A three-dimensional finite element study. In: Journal of Dental Biomechanics. 2012 ; Vol. 3, No. 1. pp. 1-8.
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AU - Bourauel, Christoph

AU - Yoshida, Noriaki

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