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< Vol. 12 Issue 2 | May-Aug 2014 | pp. 65 - 112

Finite element simulation of implant placement following extraction of a single tooth

Abstract

Purpose: The aim of the study was to assess some possible factors influencing the bone stresses and remodeling process after the placement of an implant in a postextraction socket.
Methods: A finite element model of a portion of the maxilla was used. Three osseointegrated titanium dental implants with different thread profiles were placed into the extraction socket. Three different lengths, thus with different depth into the bone, were considered. Bone remodeling was simulated by using the strain energy density as the remodeling stimulus. 
A load with magnitude 200 N and inclination of 45° to the longitudinal axis in the lateral direction was applied directly to the implant.
Results: Both implant length and thread profile had an influence on the bone stresses, growth and loss after implantation. Longer implants reduced both the size of the bone loss area and the total bone mass loss.
Conclusions: It is not easy to establish the relationship of the long-term success of implantation and bone turnover activity via clinical trials. After a proper clinical validation, the protocol developed using computational modeling may become a viable option to predict the clinical outcome, even on a patient-specific basis, regarding its noninvasive and time-efficient nature.

J Appl Biomater Funct Mater 2014; 12(2): 84 - 89

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.5301/JABFM.5000178

Authors

Fabio Galbusera, Silvio Taschieri, Igor Tsesis, Luca Francetti, Massimo Del Fabbro

Article History

  • • Accepted on 09/12/2012
  • • Available online on 14/01/2014
  • • Published online on 05/09/2014

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Authors

  • Galbusera, Fabio [PubMed] [Google Scholar]
    IRCCS Galeazzi Orthopedic Institute, Milano - Italy and Institute of Orthopedic Research and Biomechanics, Center of Musculoskeletal Research Ulm, University of Ulm, Ulm - Germany
  • Taschieri, Silvio [PubMed] [Google Scholar]
    IRCCS Galeazzi Orthopedic Institute, Milano - Italy
  • Tsesis, Igor [PubMed] [Google Scholar]
    Department of Endodontology, Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv - Israel
  • Francetti, Luca [PubMed] [Google Scholar]
    IRCCS Galeazzi Orthopedic Institute, Milan - Italy and Department of Health Technologies, University of Milan, Milano - Italy
  • Del Fabbro, Massimo [PubMed] [Google Scholar]
    IRCCS Galeazzi Orthopedic Institute, Milano - Italy and Department of Health Technologies, University of Milan, Milano - Italy

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