scispace - formally typeset
Open AccessJournal ArticleDOI

Minimizing Risk of Failure from Ceramic-on-Ceramic Total Hip Prosthesis by Selecting Ceramic Materials Based on Tresca Stress

Reads0
Chats0
TLDR
In this article , a two-dimensional axisymmetric finite element-based computational model has been used to evaluate the Tresca stress on ceramic-on-ceramic coupling under gait cycle.
Abstract
The choice of ceramic-on-ceramic coupling in total hip prosthesis has advantages over couplings with other combinations of materials that use polyethylene and metal materials in terms of high hardness, scratch resistance, low wear rate, and increased lubrication performance. To reduce the risk of primary postoperative failure, the selection of ceramic materials for ceramic-on-ceramic coupling is a strategic step that needs to be taken. The current study aims to analyze ceramic-on-ceramic coupling with commonly used ceramic materials, namely zirconium dioxide (ZrO2), silicon nitride (Si3N4), and aluminium oxide (Al2O3), according to Tressa failure criterion for the investigation of the stress distribution. A two-dimensional axisymmetric finite element-based computational model has been used to evaluate the Tresca stress on ceramic-on-ceramic coupling under gait cycle. The results show that the use of ZrO2-on-ZrO2 couplings can reduce Tresca stress by about 17.34% and 27.23% for Si3N4-on-Si3N4 and Al2O3-on-Al2O3 couplings, respectively.

read more

Content maybe subject to copyright    Report

Citations
More filters
Journal ArticleDOI

Polycrystalline Diamond as a Potential Material for the Hard-on-Hard Bearing of Total Hip Prosthesis: Von Mises Stress Analysis

TL;DR: In this article , the authors used a 2D axisymmetric finite element model of a hard-on-hard bearing under gait loading to confirm the potential of polycrystalline diamond (PCD) to replace metals and ceramics for hard on hard bearing through von Mises stress investigations.
Journal ArticleDOI

Adopted walking condition for computational simulation approach on bearing of hip joint prosthesis: review over the past 30 years

TL;DR: In this article , a comprehensive literature review of adopted walking condition that has been carried out to study bearing using computational simulation approach over the past 30 years has been presented, where many knowledge gaps related to adoption procedures, simplification, and future research have been identified to obtain bearing analysis results with more realistic computational simulation based approach according to physiological human hip joints.
Journal ArticleDOI

Analysis of contact pressure in a 3D model of dual-mobility hip joint prosthesis under a gait cycle

TL;DR: In this paper , simulation modeling was carried out by applying varying inclination angles of 30°, 40°, 45°, 50°, 60°, and 70° to the acetabular cup component.
Journal ArticleDOI

Biomechanical Effects of the Porous Structure of Gyroid and Voronoi Hip Implants: A Finite Element Analysis Using an Experimentally Validated Model

TL;DR: In this article , the Voronoi lattice structure was used to design a porous hip implant with a focus on providing more space for better osteointegration, improving the medullary revascularization and blood circulation of patients.
Journal ArticleDOI

PEEK for Oral Applications: Recent Advances in Mechanical and Adhesive Properties

Abstract: Polyetheretherketone (PEEK) is a thermoplastic material widely used in engineering applications due to its good biomechanical properties and high temperature stability. Compared to traditional metal and ceramic dental materials, PEEK dental implants exhibit less stress shielding, thus better matching the mechanical properties of bone. As a promising medical material, PEEK can be used as implant abutments, removable and fixed prostheses, and maxillofacial prostheses. It can be blended with materials such as fibers and ceramics to improve its mechanical strength for better clinical dental applications. Compared to conventional pressed and CAD/CAM milling fabrication, 3D-printed PEEK exhibits excellent flexural and tensile strength and parameters such as printing temperature and speed can affect its mechanical properties. However, the bioinert nature of PEEK can make adhesive bonding difficult. The bond strength can be improved by roughening or introducing functional groups on the PEEK surface by sandblasting, acid etching, plasma treatment, laser treatment, and adhesive systems. This paper provides a comprehensive overview of the research progress on the mechanical properties of PEEK for dental applications in the context of specific applications, composites, and their preparation processes. In addition, the research on the adhesive properties of PEEK over the past few years is highlighted. Thus, this review aims to build a conceptual and practical toolkit for the study of the mechanical and adhesive properties of PEEK materials. More importantly, it provides a rationale and a general new basis for the application of PEEK in the dental field.
References
More filters
Journal ArticleDOI

The Effect of Bottom Profile Dimples on the Femoral Head on Wear in Metal-on-Metal Total Hip Arthroplasty.

TL;DR: In this article, the effect of surface texturing as dimples on the wear evolution of total hip arthroplasty was investigated by developing finite element analysis from the prediction model without dimples and with bottom profile dimples of flat, drill, and ball types.
Journal ArticleDOI

Predicting the wear of hard-on-hard hip joint prostheses

TL;DR: In this article, the wear at the bearing surface in gait cycles was calculated based on the contact stress variation from the finite element analysis and the sliding distance obtained from three-dimensional hip gait motions.
Journal ArticleDOI

Elastohydrodynamic lubrication analysis of metal-on-metal hip prostheses under steady state entraining motion.

TL;DR: The general methodology developed was applied to a recent experimental prototype metal-on-metal hip implant and it was shown that the backing materials underneath the acetabular cup had little influence on the predicted contact pressure and the elastic deformation at the bearing surfaces for this particular example.
Journal ArticleDOI

Computational Contact Pressure Prediction of CoCrMo, SS 316L and Ti6Al4V Femoral Head against UHMWPE Acetabular Cup under Gait Cycle

TL;DR: The results show Ti6Al4V-on-UHMWPE is able to reduce cumulative contact pressure compared to SS 316L- on-UhMWPE and CoCrMo-on theUH MWPE at peak loading.
Journal ArticleDOI

Current and future biocompatibility aspects of biomaterials for hip prosthesis

TL;DR: It is concluded that current materials have their confines and there is a need for more refined multi-functional materials to be developed in order to match the biocompatibility, metallurgical and mechanical complexity of the hip prosthesis.
Related Papers (5)