Torque Capacity of Metal and Plastic Brackets with Reference to Materials, Application, Technology and Biomechanics

@article{Gmyrek2002TorqueCO,
  title={Torque Capacity of Metal and Plastic Brackets with Reference to Materials, Application, Technology and Biomechanics},
  author={Henner Gmyrek and Christoph Bourauel and Gert Richter and Winfried Harzer},
  journal={Journal of Orofacial Orthopedics / Fortschritte der Kieferorthop{\"a}die},
  year={2002},
  volume={63},
  pages={113-128}
}
Aim: The aim of the present study was to investigate slot deformation and the equivalent torque capacity of plastic brackets in comparison with those of a metal bracket in vitro and to simulate them under clinical conditions. Material and Method: For this purpose the expansion characteristics of the brackets and their resistance to extraoral mechanical loading were compared in in-vitro activating experiments. In a further investigation, the labial crown torque of an upper central incisor was… CONTINUE READING

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Mechanical effects of third-order movement in self-ligated brackets by the measurement of torque expression.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics • 2011
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