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RESEARCH ARTICLE
Year : 2016  |  Volume : 6  |  Issue : 1  |  Page : 29-36

Finite Element Analysis of Stress Distribution in Three Commonly Used Implant Systems in D2 and D4 Bone Densities


1 Senior Lecturer, Department of Prosthodontics, Panineeya Institute of Dental Sciences, Kamalanagar, Hyderabad, India
2 Professor and Head, Department of Prosthodontics, Panineeya Institute of Dental Sciences, Kamalanagar, Hyderabad, India
3 Professor, Department of Prosthodontics, Panineeya Institute of Dental Sciences, Kamalanagar, Hyderabad, India
4 Assistant Professor, Department of Prosthodontics, Government Dental College, Vijayawada, India

Correspondence Address:
C Radha
Senior Lecturer, Department of Prosthodontics, Panineeya Institute of Dental Sciences, Kamalanagar, Hyderabad
India
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Source of Support: None, Conflict of Interest: None


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Aim : To comparatively evaluate the stress distribution in three commonly used implant systems in two different bone densities D 2 and D4 using 3D finite element analysis. Materials and Methods : Pro-engineer 3-0 software was used to create the geometric models of the three implant systems (Nobel biocare, Biohorizon, Adin) and two bone densities D2 and D4. Six 3D models were created to simulate each one of the three implant systems supporting a metal ceramic crown placed in two different densities of bone D2 and D4. The Poisson's ratio(΅) and Youngs modulus(E) of elasticity were assigned to different materials used for the models. Vertical and oblique loads of 450N each were applied on all six models. Von Mises stress analysis was done with ANSYS software. Results : Von Mises stresses were more within D4 type bone than D2 type, for all the three systems of implants and less stresses were seen in Biohorizon implant followed by Nobel Biocare and Adin implant particularly in D4 bone. Conclusion: The study concluded that the selection of a particular implant system should be based on the scientific research rather than on popularity.


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