ARUP; ISBN: 978-0-9562121-5-3 - CMBBE 2012 - Cardiff University

THE COMPUTATIONAL MODEL OF DENTAL IMPLANT
INTERACTION WITH BONE TISSUE
P. Marcián 1 , L. Borák 2 , Z. Majer 2 , Z. Florian 2 , J. Kaiser 3 , V. Konečná 4
1. ABSTRACT
The paper deals with computational modeling of dental implant interaction with bone
tissue using advanced geometry model of mandible. The bone model includes detailed
trabecular architecture which is based on µCT data. Implant interaction with cortical
bone as well as with trabeculae under mechanical loading and using this advanced
model is assessed by means of implant displacements and bone strain intensity.
2. INTRODUCTION
The success of dental implants applied in human mandible or maxilla depends on many
significant factors ranging from biological processes to manufacturing technology. A
crucial role in this respect plays especially the mechanical interaction of an implant with
the bone tissue in which it is applied [1]. The successful interaction combines
advantages of biological phenomenon commonly known as osseointegration [2], and a
suitable design, material as well as surface treatment of the used dental implant. From
this point of view it is obvious that the application of a dental implant is not only a
medical procedure but an interdisciplinary process. Mechanism of the dental implant
interaction with bone tissue and its influence on dental implant reliability and durability
has not yet been fully understood. It is therefore a challenging task to contribute to the
discussion on this process and to show some advanced possibilities of its modeling. The
task is even more complex because of lacking criteria which can be followed in
assessing the implant/bone interaction from mechanical point of view. Another obstacle
in assessing the implant/bone interaction is a very complex geometry of the bone and
also an uncertain contact area of the involved components.
A very effective tool in assessing the implant/bone mechanical interaction appears to be
the computational modeling which was successfully used in solving many other
biomechanical problems in the past. Thanks to the latest technologies it is possible to
build models on a quite high modeling-level which means including detailed
architecture of the cancellous bone. Just the model of the detailed trabecular architecture
is one of the advances which may push further the knowledge on the implant/bone
1
Ing., Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno University of Technology,
Technická 2896/2, CZE
2
Doctor, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno University of Technology,
Technická 2896/2, CZE
3
Associate professor, X-ray micro CT and nano CT research group, CEITEC - Central European Institute
of Technology, Brno University of Technology, Technická 2896/2, 616 69 Brno, Czech Republic
4
Mgr., X-ray micro CT and nano CT research group, CEITEC - Central European Institute of
Technology, Brno University of Technology, Technická 2896/2, 616 69 Brno, Czech Republic