Evaluation of the biomechanical behavior of two supported implant prosthetic designs : Finite element analysis
Introduction: problem statement: different alternatives as fixed and removable rehabilitation exist. However, there are few studies available that analyze the behavior of these prostheses with control of the biological variables such as bone type, location, and type of implants. The objective of this study was to analyze the biomechanical behavior of two mandibular prosthesis designs supported on four implants and the adjacent biological zones.
Materials and methods: two mandibular prosthetic designs were modeled on 4 Zimmer TSV implants (Zimmer Biomet) in a bone with type D2 characteristics (Misch) assuming a 75% osseointegration. The first design was an overdenture (OD) with an internal CrCoreinforcing bar, retained with Locator adjustments (Zest Anchors), the second design was a metal-acrylic hybrid (HP) prosthesis in which instead of using the CAD bar / CAM splinting the implants, an internal reinforcing bar was designed in CrCo, the load applied in each model was 400N distributed throughout the prosthesis.
Results: the efforts were concentrated mainly in the crestal portion of the peri-implant bone in both designs, the efforts in the trabecular portion were minimal, in the peri-implant bone the greatest effort was presented in OD 20,643 MPa, in the HP design was 11,823 MPa, the efforts in implants were 67.8 MPa, greater in HP than in OD 52,613 and in the prosthesis the greatest effort was presented in HP; (56,046 MPa compared to 41,518 MPa in OD).
Conclusions: the functioning of the designs is not the same and they transmit different stresses, but neither of them compromises the biological or prosthetic structures evaluated.
Copyright (c) 2021 Revista Nacional de Odontología
This work is licensed under a Creative Commons Attribution 4.0 International License.
Every single author of the articles has to declare that is an original unpublished work exclusively created by them, that it has not been submitted for simultaneous evaluation by another publication and that there is no impediment of any kind for concession of the rights provided for in the contract.
In this sense, the authors committed to await the result of the evaluation by the journal Revista Nacional de Odontologia before considering its submission to another medium; in case the response by that publication is positive, additionally, the authors committed to respond for any action involving claims, plagiarism or any other kind of claim that could be made by third parties.
At the same time, the authors have to declare that they are completely in agreement with the conditions presented in their work and that they cede all patrimonial rights. These rights involve reproduction, public communication, distribution, dissemination, transformation, making it available and all forms of exploitation of the work using any medium or procedure, during the term of the legal protection of the work and in every country in the world, to the Universidad Cooperativa de Colombia Press.
Most read articles by the same author(s)
- Ronald Oswaldo Velásquez Paz, Samuel David Giraldo Gómez, Federico Latorre Correa, Junes Abdul Villarraga Ossa, Juan Gustavo Diosa Peña, Evaluation of micromovements at the bone-implant interface with immediate loading , Revista Nacional de Odontología: Vol. 13 No. 25 (2017)
- Mauricio Alejandro Rodríguez López, Samuel David Giraldo Gómez, Federico Latorre Correa, Junes Abdul Villarraga Ossa, Juan Gustavo Diosa Peña, Evaluation of the distribution of efforts of an immediate restoration supported in three phases of healing , Revista Nacional de Odontología: Vol. 15 No. 28 (2019)
- Ana María Sánchez Santamaría, Ana Catalina Castaño Posada, Federico Latorre Correa, Junes Abdul Villarraga Ossa, Juan Gustavo Diosa Peña, Samuel David Giraldo Gómez, Simulation of bone microdeformation of bruxism in anterior dental implant , Revista Nacional de Odontología: Vol. 16 No. 1 (2020)
