The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019
RESEARCH ARTICLE

Fem and Von Mises Analysis of OSSTEM ® Dental Implant Structural Components: Evaluation of Different Direction Dynamic Loads



Gabriele Cervino1, Umberto Romeo2, Floriana Lauritano1, Ennio Bramanti1, Luca Fiorillo1, Cesare D’Amico1, Dario Milone3, Luigi Laino4, Francesco Campolongo5, Silvia Rapisarda1, Marco Cicciù1, *
1 Department of Biomedical and Dental Sciences, Morphological and Functional Images, School of Dentistry, University of Messina, ME, Italy
2 Department of Oral and Maxillo-facial Sciences, Pediatric Dentistry Unit, “Sapienza” University of Rome, Rome, Italy
3 Departments of Engineering, University of Messina, Messina, Italy
4 Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, University of Campania “Luigi Vanvitelli”, Naples, NA, Italy
5 Micerium Implantology, Micerium SPA, Avengno, Liguria, GE, Italy

Abstract

Purpose:

The objective of this investigation is to study prosthodontics and internal components resistance to the masticatory stress and considering different force directions by using Finite Element Method analysis (FEM). The structural materials of the components are usually Titanium alloy grade 4 or 5 and thus, guarantee the integration of the fixture in the bone due to the osteointegration phenomena. Even if the long-term dental implant survival rate is easy to be obtained and confirmed by numerous researches, the related clinical success, due to the alteration of the mechanical and prosthodontics components is still controversial.

Methods:

By applying engineering systems of investigations like FEM and Von Mises analyses, it has been investigated how dental implant material was held against the masticatory strength during the dynamic masticatory cycles. A three-dimensional system involved fixture, abutment and the connection screws, which were created and analyzed. The elastic features of the materials used in the study were taken from recent literature data.

Results:

Data revealed a different response for both types of devices, although implant neck and dental abutment showed better results for all conditions of loading while the abutment screw represented aweak point of the system.

Conclusion:

The data of this virtual model showed all the features of different prosthetic retention systems under the masticatory load. Clinicians should find better prosthetic balance in order to better distribute the stress over the component and to guarantee patients’ clinical long-term results.

Keywords: Fixture, Finite element analysis, Dental prosthesis, Implant-supported, Abutment-implant screw, Osteointegration.


Article Information


Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 219
Last Page: 229
Publisher Id: TODENTJ-12-219
DOI: 10.2174/1874210601812010219

Article History:

Received Date: 20/12/2017
Revision Received Date: 12/02/2018
Acceptance Date: 28/02/2018
Electronic publication date: 30/03/2018
Collection year: 2018

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© 2018 Cervino et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Department of Biomedical and Dental Sciences, Morphological and Functional Images, School of Dentistry, University of Messina, Policlinico G. Martino, Via Consolare Valeria, 98100 Me, Italy; Tel: +390902216920; E-mail: acromarco@yahoo.it, mcicciu@unime.it


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