Centre of resistance and centre of rotation of a tooth: experimental determination, computer simulation and the effect of tissue nonlinearity

Computer Methods in Biomechanics and Biomedical Engineering
Y NyashinA Zhurov

Abstract

The centre of resistance and centre of rotation of a tooth are key concepts in orthodontics. Determining the coordinates of these points is essential for planning orthodontic tooth movement. The paper proposes a procedure for experimental determination of the two centres, verifies a previously developed mathematical theory through computer simulations and evaluates the effect of nonlinearity of the periodontal ligament on the parameters related to the centres. The paper relies on the mathematical theory of a rigid body embedded in an elastic medium, physical experiment, finite element method and a simple nonlinear theory of the tooth. The concept of the centre of resistance requires a revision if nonlinearity is taken into account.

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Citations

Feb 5, 2021·Current Osteoporosis Reports·Paolo M Cattaneo, Marie A Cornelis
Dec 31, 2020·The Angle Orthodontist·Roberto SavignanoUdochukwu Oyoyo
Jul 18, 2021·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Vaibhav GandhiMadhur Upadhyay
Aug 31, 2021·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Harsimrat KaurDan L Romanyk

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