EVALUATION OF Zr, Ni-Cr, And Au-Ag APPLIED MATERIALS USING FEM ON PROSTHETIC CROWNS

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Published: Jun 28, 2023
DOI: https://doi.org/10.22452/mjs.vol42no2.6
Keywords:
Zirconia, Nickel-Chromium alloy Gold alloy Von-Mises Crown Abutment Screw Finite Element Method

Main Article Content

P Vicky Kumar
Department of Mechanical Engineering, National Institute of Technology Manipur, Imphal, INDIA.
https://orcid.org/0000-0002-2242-1311
Anil Kumar Birru
Department of Mechanical Engineering, National Institute of Technology Manipur, Imphal, INDIA.
https://orcid.org/0000-0002-7118-5933
Nelson Muthu
Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati, India
https://orcid.org/0000-0002-2589-3234

Abstract

The crown is a steady prosthesis designed to restore the functionality of a damaged tooth along, with its shape and size. They are also used to reinforce the tooth that poses long-term risk due to wide cavities and accidental injuries. The crowns are fixed using dental cement made of different materials such as porcelain cement, ceramics, etc. The present work aims to assess the mechanical properties – stiffness and strength, of the single molar crown prosthetic tooth materials to determine the efficacy of each material under typical masticatory load observed in clinical settings. To this end, the finite element method (FEM) is used to analyze the mechanical behavior of the molar crowns made of Zirconium (Zr), Nickel Chromium (Ni-Cr), and Gold alloy (Au-Ag). The crown models were created in Solidworks and exported to the ANSYS FE package. The exported three-dimensional models were subjected to varying loading conditions – vertical and oblique forces to the tooth axis under suitable displacement boundary conditions. Due to a relatively high elastic modulus, the Zr and Ni-Cr alloy exhibited a higher stress concentration and lower deformation on the crown’s intaglio surface compared to the Au-Ag alloy.

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How to Cite
P Vicky Kumar, Anil Kumar Birru, & Muthu, N. (2023). EVALUATION OF Zr, Ni-Cr, And Au-Ag APPLIED MATERIALS USING FEM ON PROSTHETIC CROWNS. Malaysian Journal of Science, 42(2), 41–46. https://doi.org/10.22452/mjs.vol42no2.6
Issue
Vol 42 No 2 (2023): June
Section
Original Articles

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Author Biographies

Anil Kumar Birru, Department of Mechanical Engineering, National Institute of Technology Manipur, Imphal, INDIA.

Dr. Anil Kumar Birru, Assistant Professor and former Head, in Mechanical Engineering Department, at NIT Manipur, He is working in, Biomedical, 3D Printing, Die casting, composites materials, ceramics, sand casting, Welding, Quality Function Deployment, Supply chain Management.  He obtained Ph.D. degree from Indian Institute of Technology, Roorkee, India in 2013. He has around 15 years of teaching and research experience He has published more than 80 (eighty) research papers in peer reviewed International, National journals and conferences. He his supervised six PhD Scholars and four PhD scholars ongoing. He has organized one International, National conference and shorten term courses.

Nelson Muthu, Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati, India

Dr. Nelson Muthu is a product of three well-known universities: IIT Guwahati where he did his B.Tech in 2008, IIT Bombay and Monash University where he completed his PhD, in 2015, on application of element-free Galerkin method for linear elastic fracture mechanics problems. After his PhD, he has worked at Biomedical Engineering and Technology incubation Centre (BETiC), IIT Bombay on medical device innovation from Dec'15 to July'17. He was a visiting faculty at Sardar Patel College of Engineering (SPCE), Mumbai where he taught 'Fracture Mechanics' to masters students for one semester. Parallely, he also worked on structural health monitoring project which involved detecting cracks in beam like structures.

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