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Stress distribution for mandibular extra-alveolar anchorage at different angles and force magnitudes: a finite element study

Author

Listed:
  • E. V. Arango-Piloneta
  • S. P. Plaza-Ruiz
  • D. F. León-Lara
  • M. Munera
  • B. Bedoya-Henao
  • T. Martínez-Gallego

Abstract

The aim of this study was to evaluate the stress distribution in cortical and cancellous bones and within the screw when a stainless steel extra-alveolar screw (EA-S) is inserted into the retromolar region of the mandible using the finite element method (FEM). The stress values in the EA-S were highest at 60° with horizontal (shear) force and lowest at 90° with axial force. In the bones (cortical and cancellous), the stress value was greatest at 90° with horizontal force. Greater stability of the screw may be achieved by tilting it to the force when horizontal loads are applied.

Suggested Citation

  • E. V. Arango-Piloneta & S. P. Plaza-Ruiz & D. F. León-Lara & M. Munera & B. Bedoya-Henao & T. Martínez-Gallego, 2024. "Stress distribution for mandibular extra-alveolar anchorage at different angles and force magnitudes: a finite element study," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 27(12), pages 1587-1595, September.
    • Handle: RePEc:taf:gcmbxx:v:27:y:2024:i:12:p:1587-1595
    DOI: 10.1080/10255842.2023.2252549
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