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Published in: Journal of Maxillofacial and Oral Surgery 3/2023

18-06-2023 | Post-COVID Syndrome | ORIGINAL ARTICLE

Comparison of Two Types of Patient Specific Implants (PSI) and Quad Zygoma Implant (QZI) for Rehabilitation of Post-COVID Maxillary Mucormycosis Defect (PCMMD): Finite Element Analysis

Authors: Varsha Sunil Manekar, Abhay N. Datarkar, Ashlesha Ghormode, Surendra Daware, Prashant Pandilwar, Pranav Sapkal

Published in: Journal of Maxillofacial and Oral Surgery | Issue 3/2023

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Abstract

Introduction

The residual post-COVID maxillary mucormycosis defect (PCMMD) were extensive, due to unilateral or bilateral maxillectomies. The Goal of rehabilitation of PCMMD is to deliver a prosthetically driven reconstruction. FEA was to evaluate the biomechanical response of PSI struts (PSI 1), PSI Screw retained (PSI 2) and QZI to masticatory load on virtual simulation to improve accuracy and enhance the design.

Aim

To validate and compare the Biomechanical benefit of the PSI struts, PSI Screw retained, QZI in a case of rehabilitation of post-COVID maxillary mucormycosis defect (PCMMD) by FEA study.

Methodology

The result of stress to masticatory load on virtual simulation for (1) Maximum and minimum stress (Von Mises stress); (2) the Displacement (in three positions) and (3) the Deformation (Plastic strain) was compared on virtual simulation for PSI 1 and PSI 2 and QZI.

Conclusion

The FEA and comparative evaluation of PSI 1, PSI 2 and QZI showed a good resistance to displacement. The stress and strain values are low and acceptable. In comparison QZI shows more stress in the anterior region.
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Metadata
Title
Comparison of Two Types of Patient Specific Implants (PSI) and Quad Zygoma Implant (QZI) for Rehabilitation of Post-COVID Maxillary Mucormycosis Defect (PCMMD): Finite Element Analysis
Authors
Varsha Sunil Manekar
Abhay N. Datarkar
Ashlesha Ghormode
Surendra Daware
Prashant Pandilwar
Pranav Sapkal
Publication date
18-06-2023
Publisher
Springer India
Published in
Journal of Maxillofacial and Oral Surgery / Issue 3/2023
Print ISSN: 0972-8279
Electronic ISSN: 0974-942X
DOI
https://doi.org/10.1007/s12663-023-01950-3

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