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Beta-titanium alloys, the third generation of biomaterials for implantology: comparative analysis of physicochemical and mechanical properties between Ti-13Nb-13Zr and Ti-6Al-4V

Grant number: 20/05272-2
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): November 01, 2020
Effective date (End): March 31, 2022
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Principal Investigator:Andréa Cândido dos Reis
Grantee:Juliana Dias Corpa Tardelli
Host Institution: Faculdade de Odontologia de Ribeirão Preto (FORP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil

Abstract

The chemical biocompatibility of Ti alloys is essential since the release of metal ions from the implant can cause peri-implant inflammation, bone loss, negatively affect the mechanical properties and even its loss. The objective of the present study will be to compare in vitro the physical-chemical and mechanical properties between Ti-13Nb-13Zr and Ti-6Al-4V obtained by turning and additive manufacturing. For this, 40 discs will be used, with dimensions of Ø 5.0 mm x 1 mm thick (n = 10): G1: Ti-13Nb-13Zr (machined), G2: Ti-6Al-4V (machined), G3: Ti-13Nb-13Zr (additive manufacture) and G4: Ti-6Al-4V (additive manufacture). The disks will be analyzed by scanning electron microscopy (SEM), dispersive energy spectroscopy (EDS), x-ray diffraction (DRX), wettability, free surface energy, surface roughness, by means of laser confocal microscopy, Vickers microhardness (Stiefelmayer microdurometer) and elasticity module (SONELASTIC®). The results obtained will be submitted to parametric or non-parametric tests according to the data distribution (± = 0.05). (AU)

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VEICULO: TITULO (DATA)
VEICULO: TITULO (DATA)

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)
TARDELLI, JULIANA DIAS CORPA; BAGNATO, VANDERLEI SALVADOR; DOS REIS, ANDREA CANDIDO. Bacterial Adhesion Strength on Titanium Surfaces Quantified by Atomic Force Microscopy: A Systematic Review. ANTIBIOTICS-BASEL, v. 12, n. 6, p. 16-pg., . (20/12429-5, 20/05272-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
TARDELLI, Juliana Dias Corpa. Beta titanium alloys, the third generation of implant dentistry biomaterials: analysis of the physical, chemical, mechanical, and biological properties of Ti-35Nb-7Zr-5Ta and Ti-6Al-4V discs obtained by machining and additive manufacturing. 2022. Master's Dissertation - Universidade de São Paulo (USP). Faculdade de Odontologia de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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