Experimental evaluation of orthodontic bracket slot deformation to simulated torque.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
Varadaraju MageshDevadhas Kingsly Jeba Singh

Abstract

In orthodontic fixed appliance therapy, the archwire torque used to refine the teeth position during the treatment imparts significant forces inside the bracket slot. The objective of this study was to measure the torque relevant bracket slot deformation in Stainless Steel (SS) brackets during various degree of archwire twist. Standard edgewise brackets 0.018-inch (in.)/0.022-in. each 20 no. and 0.016 × 0.022, 0.017 × 0.025, 0.019 × 0.025, and 0.021 × 0.025 in. archwires each 10 no. were used. A novel experimental setup consisting of loading fixture and torque key mounted on a Vision Measuring System (VMS) were used to measure the brackets slot deformation. The Top Slot and Middle Slot Deformations (TSD and MSD) of the brackets for 35° angle of twist in 0.016 × 0.022 in. archwire in 0.018-in. slot, 0.019 × 0.025 in. archwire in 0.022-in. slot and for 30° angle of twist in 0.017 × 0.025 in. archwire in 0.018-in. slot and 0.021 × 0.025 in. archwire in 0.022-in. slot were measured. Results showed that the mean TSD and MSD were higher when the archwire size, the slot size and the angle of twist were greater. In the evaluated bracket-archwire combinations, the TSD were higher than MSD and the bracket slots were elastically deformed ...Continue Reading

References

Nov 1, 1982·American Journal of Orthodontics·C J Burstone
Nov 1, 1994·British Journal of Orthodontics·M M McKnightE H Davies
Aug 29, 2000·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·H Fischer-BrandiesS Meyer
Mar 12, 2004·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Christiana Gioka, Theodore Eliades
Jan 7, 2010·The Angle Orthodontist·David A DetterlineKatherine S Kula
Jan 5, 2011·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Thomas W MajorPaul W Major
May 17, 2011·European Journal of Orthodontics·Miyuki HiraiNoriyoshi Shimizu
Sep 6, 2011·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Thomas W MajorPaul W Major
May 18, 2013·The Angle Orthodontist·Iosif SifakakisChristoph Bourauel
Jun 14, 2013·Journal of Dental Biomechanics·Garrett W MelenkaJason P Carey
Mar 11, 2015·Journal of Dental Biomechanics·Shigeyuki MatsuiNaoto Suda
Apr 1, 2018·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Varadaraju MageshDevadhas Kingsly Jeba Singh

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