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Surface characterization and electrochemical properties of titanium alloys multifunctional surfaces

Grant number: 17/08192-7
Support Opportunities:Regular Research Grants
Duration: November 01, 2017 - October 31, 2019
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Principal Investigator:Luis Geraldo Vaz
Grantee:Luis Geraldo Vaz
Host Institution: Faculdade de Odontologia (FOAr). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated researchers:Ana Lúcia Roselino Ribeiro ; Laiza Maria Grassi Fais


The commercially pure titanium and its alloys have been widely used for the manufacture of dental and orthopedic implants due to the adequate mechanical strength, corrosion resistance and biocompatibility. However, to improve the treatment with the use of implants, optimizing the osseointegration and reducing the risk of peri-implantite, new alloys, and new surface treatments have been researched. The technique of functionalization of the surface, based on wet processes, will be used to develop surfaces for the base of titanium oxide which satisfy simultaneously the following requirements: to induce and increase the osseocondution, to avoid the microbial colonization, in addition to improving the resistance to corrosion. Thus, the aim of this study is to characterize the surface of the alloys Ti-6Al-4Va and Ti-35Nb-7Zr-Ta anodized with Ca and P or F ions, deposited or not with magnesium and silver. The alloy Ti-6Al-4V will be used as control. The surfaces will be analyzed before and after the surface treatments. For the interpretation of the results, statistical tests will be applied according to the type of distribution and level of significance of 5%. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FAIS, LAIZA MARIA GRASSI; DE SALES LEITE, LUANA; REIS, BARBARA ARAUJO DOS; RIBEIRO, ANA LUCIA ROSELINO; VAZ, LUIS GERALDO; KLEIN, MARLISE INEZ. Microbial Adhesion and Biofilm Formation on Bioactive Surfaces of Ti-35Nb-7Zr-5Ta Alloy Created by Anodization. MICROORGANISMS, v. 9, n. 10, . (17/08192-7)

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