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Biomedical Engineering / Biomedizinische Technik

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering and the German Society of Biomaterials

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Habibović, Pamela / Haueisen, Jens / Jahnen-Dechent, Wilhelm / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Lenarz, Thomas / Leonhardt, Steffen / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Boenick, Ulrich / Jaramaz, Branislav / Kraft, Marc / Lenthe, Harry / Lo, Benny / Mainardi, Luca / Micera, Silvestro / Penzel, Thomas / Robitzki, Andrea A. / Schaeffter, Tobias / Snedeker, Jess G. / Sörnmo, Leif / Sugano, Nobuhiko / Werner, Jürgen /

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Volume 59, Issue 6

Issues

Volume 57 (2012)

Biomechanical investigations of the secondary stability of commercial short dental implants in porcine ribs

Rebecca Wilhelm
  • Endowed Chair of Oral Technology, University of Bonn, Welschnonnenstr. 17, 53111 Bonn, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Istabrak Hasan
  • Corresponding author
  • Endowed Chair of Oral Technology, University of Bonn, Welschnonnenstr. 17, 53111 Bonn, Germany
  • Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, Welschnonnenstr. 17, 53111 Bonn, Germany
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Ludger Keilig
  • Endowed Chair of Oral Technology, University of Bonn, Welschnonnenstr. 17, 53111 Bonn, Germany
  • Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, Welschnonnenstr. 17, 53111 Bonn, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Friedhelm Heinemann
  • Department of Prosthodontics, Gerodontology and Biomaterials, University of Greifswald, 17475 Greifswald, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Helmut Stark
  • Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, Welschnonnenstr. 17, 53111 Bonn, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Christoph Bourauel
  • Endowed Chair of Oral Technology, University of Bonn, Welschnonnenstr. 17, 53111 Bonn, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2014-08-05 | DOI: https://doi.org/10.1515/bmt-2014-0008

Abstract

The use of short implants has increased widely within the last years. However, the stability of these implants has not yet been comprehensively investigated, in particular the difference in geometry and dimension of short implants. The aim of the present study was to investigate experimentally the difference of the secondary stability of different commercial short implants by measuring their displacements. Eleven implant geometries were investigated in this study. A total of 22 implants were inserted in porcine rib segments, two implants for each system. Implant displacements were measured using a self-developed biomechanical hexapod measurement system (HexMeS). The highest displacement was observed with Straumann BL NC 3.3×8.0 mm (266 μm), followed by Straumann Standard 4.1×6.0 mm (156 μm), while the lowest displacement of 61 μm was shown by Dentaurum type 1 implant (4.2×5.0 mm). No obvious difference of displacements was observed between hammered and screw-shaped implants with relevant dimensions. The experimental results were in good agreement with the numerical ones (19–42%) for Dentaurum implants. However, a difference of 70–80% was obtained for the Astra implant (4.0×6.0 mm) and Bicon implant (6.0×5.7 mm). The geometry of short implants directly affects their stability within the bone.

Keywords: displacement; porcine ribs; short dental implants

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About the article

Corresponding author: Dr.rer.nat. Istabrak Hasan, Endowed Chair of Oral Technology, Rheinische Friedrich-Wilhelms University, Welschnonnenstr. 17, 53111 Bonn, Germany, Phone: +49 228 2872 2332 2388, E-mail:

aEqual authorship.


Received: 2014-01-23

Accepted: 2014-07-07

Published Online: 2014-08-05

Published in Print: 2014-12-01


Citation Information: Biomedical Engineering / Biomedizinische Technik, Volume 59, Issue 6, Pages 507–513, ISSN (Online) 1862-278X, ISSN (Print) 0013-5585, DOI: https://doi.org/10.1515/bmt-2014-0008.

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