Three-dimensional deformation of orthodontic brackets

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  • Braces are used by orthodontists to correct the misalignment of teeth in the mouth. Archwire rotation is a particular procedure used to correct tooth inclination. Wire rotation can result in deformation to the orthodontic brackets, and an orthodontic torque simulator has been designed to examine this wire–bracket interaction. An optical technique has been employed to measure the deformation due to size and geometric constraints of the orthodontic brackets. Images of orthodontic brackets are collected using a stereo microscope and two charge-coupled device cameras, and deformation of orthodontic brackets is measured using a three-dimensional digital image correlation technique. The three-dimensional deformation of orthodontic brackets will be evaluated. The repeatability of the three-dimensional digital image correlation measurement method was evaluated by performing 30 archwire rotation tests using the same bracket and archwire. Finally, five Damon 3MX and five In-Ovation R self-ligating brackets will be compared using this technique to demonstrate the effect of archwire rotation on bracket design.

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  • Type of Item
    Article (Published)
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    Attribution-NonCommerical-NoDerivs 3.0 Unported
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  • Citation for previous publication
    • Melenka, G., Nobes, D., Major, P., and Carey, J. (2013). Three-dimensional deformation of orthodontic brackets. Journal of Dental Biomechanics, 4(0), 1758736013492529.
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