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A novel ceramic-like titanium surface

Grant number: 19/19848-6
Support Opportunities:Regular Research Grants
Duration: September 01, 2020 - August 31, 2023
Field of knowledge:Health Sciences - Dentistry - Dental Materials
Principal Investigator:Cássio Do Nascimento
Grantee:Cássio Do Nascimento
Host Institution: Faculdade de Odontologia de Ribeirão Preto (FORP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated researchers:Ana Paula Ramos ; Luis Geraldo Vaz ; Rubens Ferreira de Albuquerque Junior

Abstract

Implantable materials based on titanium (Ti) or Ti alloys have been widely used in medical and dental care due to favorable mechanical properties and biocompatibility. However, when compared to ceramics, Ti surfaces are more susceptible to bacterial adhesion and colonization by periodontopathogenic species. Peri-implant infections are a major cause of implant failure and the development of implantable materials with good mechanical properties that are effective in minimizing bacterial colonization is still a challenge. Plasma electrolytic oxidation (PEO) is a simple technique for creating porous ceramic coatings of high durability and stability on Ti surfaces. Modifying the method by incorporating metals with antimicrobial effects may contribute to minimize microorganism adhesion on Ti. The objective of this study is to develop a novel zirconia-coated Ti surface using PEO, and compare its oral biofilm formation and composition with machined or commercially double acid etched Ti surfaces in situ. Surfaces characterization will be performed by means of x-ray photoelectron spectroscopy (XPS), energy dispersive x-ray spectroscopy (EDX), laser confocal microscopy, surface tension/wettability analyses and ions release measuring from the developed surfaces. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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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)
DEL REY, YUMI CHOKYU; PARIZE, HIAN; PEDRAZZI, VINICIUS; DOS REIS, ANDREA CANDIDO; DO NASCIMENTO, CASSIO. Clinical and In Situ Oral Biofilm Formation on Dental Implant Abutment Materials: A Systematic Review. INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS, v. 37, n. 4, p. 14-pg., . (19/19848-6)

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