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Stress transfer properties of different commercial dental implants: a finite element study

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  • M. Pérez
  • J. Prados-Frutos
  • J. Bea
  • M. Doblaré

Abstract

Dental implantology has high success rates, and a suitable estimation of how stresses are transferred to the surrounding bone sheds insight into the correct design of implant features. In this study, we estimate stress transfer properties of four commercial implants (GMI, Lifecore, Intri and Avinent) that differ significantly in macroscopic geometry. Detailed three-dimensional finite element models were adopted to analyse the behaviour of the bone-implant system depending on the geometry of the implant (two different diameters) and the bone–implant interface condition. Occlusal static forces were applied and their effects on the bone, implant and bone–implant interface were evaluated. Large diameters avoided overload-induced bone resorption. Higher stresses were obtained with a debonded bone–implant interface. Relative micromotions at the bone–implant interface were within the limits required to achieve a good osseointegration. We anticipate that the methodology proposed may be a useful tool for a quantitative and qualitative comparison between different commercial dental implants.

Suggested Citation

  • M. Pérez & J. Prados-Frutos & J. Bea & M. Doblaré, 2012. "Stress transfer properties of different commercial dental implants: a finite element study," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 15(3), pages 263-273.
    • Handle: RePEc:taf:gcmbxx:v:15:y:2012:i:3:p:263-273
    DOI: 10.1080/10255842.2010.527834
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    Cited by:

    1. H. Asgharzadeh Shirazi & M. R. Ayatollahi & A. Asnafi, 2017. "To reduce the maximum stress and the stress shielding effect around a dental implant–bone interface using radial functionally graded biomaterials," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 20(7), pages 750-759, May.
    2. Marie Cronskär & John Rasmussen & Mats Tinnsten, 2015. "Combined finite element and multibody musculoskeletal investigation of a fractured clavicle with reconstruction plate," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 18(7), pages 740-748, May.
    3. María Prados-Privado & Juan Carlos Prados-Frutos & José Luis Calvo-Guirado & José Antonio Bea, 2016. "A random fatigue of mechanize titanium abutment studied with Markoff chain and stochastic finite element formulation," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 19(15), pages 1583-1591, November.
    4. Chao Wang & Lizhen Wang & Xiaoyu Liu & Yubo Fan, 2014. "Numerical simulation of the remodelling process of trabecular architecture around dental implants," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 17(3), pages 286-295, February.

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