3D Finite Element Study on: Bar Splinted Implants Supporting Partial Denture in the Reconstructed Mandible

Open Access Macedonian Journal of Medical Sciences

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Field Value
 
Title 3D Finite Element Study on: Bar Splinted Implants Supporting Partial Denture in the Reconstructed Mandible
 
Creator El-Anwar, Mohamed
Ghali, Rami
Aboelnagga, Mona
 
Subject Finite element method
Stress Distribution
Bar splinted implants
Reconstructed Mandible
Partial Denture
Stomatology
 
Description AIM: This study aimed to estimate the stress patterns induced by the masticatory loads on a removable prosthesis supported and retained by bar splinted implants placed in the reconstructed mandible with two different clip materials and without clip, in the fibula-jaw bone and prosthesis using finite element analysis.METHODS: Two 3D finite element models were constructed, that models components were modeled on commercial CAD/CAM software then assembled into finite element package. Vertical loads were applied simulating the masticatory forces unilaterally in the resected site and bilaterally in the central fossa of the lower first molar as 100N (tension and compression). Analysis was based on the assumption full osseointegration between different types of bones, and between implants and fibula while fixing the top surface of the TMJ in place.RESULTS: The metallic bar connecting the three implants is insensitive to the clips material. Its supporting implants showed typical behavior with maximum stress values at the neck region. Fibula and jaw bone showed stresses within physiologic, while clips material effect seems to be very small due to its relatively small size.CONCLUSION: Switching loading force direction from tensile to compression did-not change the stresses and deformations distribution, but reversed their sign from positive to negative.
 
Publisher Scientific Foundation SPIROSKI, Skopje, Republic of Macedonia
 
Date 2016-02-09
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Analysis was based on the assumption full osseointegration between different types of bones, and between implants and fibula while fixing the top surface of the TMJ in place.
 
Format application/pdf
application/pdf
 
Identifier https://www.id-press.eu/mjms/article/view/oamjms.2016.027
10.3889/oamjms.2016.027
 
Source Open Access Macedonian Journal of Medical Sciences; Vol. 4 No. 1 (2016): Mar 15 (OAMJMS); 164-171
1857-9655
 
Language eng
 
Relation https://www.id-press.eu/mjms/article/view/oamjms.2016.027/882
https://www.id-press.eu/mjms/article/view/oamjms.2016.027/828
 

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