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Biomechanical Behavior of Bioactive Material in Dental Implant: A Three-Dimensional Finite Element Analysis
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2020 (English)In: Scientific World Journal, ISSN 2356-6140, Vol. 2020Article in journal (Refereed) Published
Abstract [en]

Dental implants are widely accepted for the rehabilitation of missing teeth due to their aesthetic compliance, functional ability, and great survival rate. The various components in implant design like thread design, thread angle, pitch, and material used for manufacturing play a critical role in its success. Understanding these influencing factors and implementing them properly in implant design can reduce cases of potential implant failure. Recently, finite element analysis (FEA) is being widely used in the field of health sciences to solve problems in designing medical devices. It provides valid and accurate assessment in the clinical and in vitro analysis. Hence, this study was conducted to evaluate the impact of thread design of the implant and 3 different bioactive materials, titanium alloy, graphene, and reduced graphene oxide (rGO) on stress, strain, and deformation in the implant system using FEA. In this study, the FEA model of the bones and the tissues are modeled as homogeneous, isotropic, and linearly elastic material with a titanium implant system with an assumption of it 100% osseointegrated into the bone. The titanium was functionalized with graphene and graphene oxide. A modeling software tool Catia¯ and Ansys Workbench¯ is used to perform the analysis and evaluate the von Mises stress distribution, strain, and deformation at the implant and implant-cortical bone interface. The results showed that the titanium implant with a surface coating of graphene oxide exhibited better mechanical behavior than graphene, with mean von Mises stress of 39.64 MPa in pitch 1, 23.65 MPa in pitch 2, and 37.23 MPa in pitch 3. It also revealed that functionalizing the titanium implant will help in reducing the stress at the implant system. Overall, the study emphasizes the use of FEA analysis methods in solving various biomechanical issues about medical and dental devices, which can further open up for invivo study and their practical uses.

Place, publisher, year, edition, pages
Hindawi Limited , 2020. Vol. 2020
Keywords [en]
Article, Young modulus, biomechanics, cell differentiation, chemical composition, coating (procedure), controlled study, cortical bone, graphene, graphene oxide, in vitro study, mesenchyme cell, osseointegration, surface property, three dimensional finite element analysis, titanium, trabecular bone
National Category
Dentistry
Identifiers
URN: urn:nbn:se:kth:diva-284963DOI: 10.1155/2020/2363298PubMedID: 32454799Scopus ID: 2-s2.0-85085310110OAI: oai:DiVA.org:kth-284963DiVA, id: diva2:1510535
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QC 20201216

Available from: 2020-12-16 Created: 2020-12-16 Last updated: 2022-06-25Bibliographically approved

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Raju, Adithya

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