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4 results on '"Marcelo Faveri"'

2. In vitro antimicrobial effect of titanium anodization on complex multispecies subgingival biofilm

Author

Marcelo Faveri, Livia Lamunier, Luciene Cristina de Figueiredo, Jonathan Meza-Mauricio, Sérgio Luís Scombatti de Souza, and Bruno Bueno-Silva

Subjects
Dental Implants, Titanium, Anti-Infective Agents, Surface Properties, Biofilms, DNA, Aquatic Science, Applied Microbiology and Biotechnology, Water Science and Technology
Abstract

Anodization is a routine industrial galvanic method that produces a titanium oxide layer on the surface of titanium. Considering the possibility that this technique could influence microbial adsorption and colonization, this

Published
2022

3. Antimicrobial effects of a pulsed electromagnetic field: an in vitro polymicrobial periodontal subgingival biofilm model

Author

Jamil Awad Shibli, Luciene Cristina Figueiredo, Bruno Bueno-Silva, Magda Feres, Elad Yakobson, Danilo Eduardo Calgaro Miquelleto, Marcelo Faveri, João Marcos Spessoto Pingueiro, Shlomo Barak, and Oleg Dolkart

Subjects
0301 basic medicine, Chemistry, Multispecies biofilms, 030106 microbiology, Biofilm, Aquatic Science, Antimicrobial, Applied Microbiology and Biotechnology, In vitro, Microbiology, 03 medical and health sciences, 030104 developmental biology, Subgingival biofilm, Water Science and Technology
Abstract

The objective was to test the influence of a pulsed electromagnetic field (PEMF) on bacterial biofilm colonization around implants incorporated with healing abutments. Healing abutments with (test ...

Published
2020

4. Dose-response effect of chlorhexidine on a multispecies oral biofilm formed on pure titanium and on a titanium-zirconium alloy

Author

Magda Feres, Valentim Adelino Ricardo Barão, Marcelo Faveri, Carolina Veloso Lima, Cortino Sukotjo, João Gabriel Silva Souza, Bárbara Emanoele Costa Oliveira, Altair Antoninha Del Bel Cury, and Antônio P. Ricomini-Filho

Subjects
0301 basic medicine, chemistry.chemical_element, Aquatic Science, Applied Microbiology and Biotechnology, 03 medical and health sciences, 0302 clinical medicine, Response effect, Alloys, medicine, Water Science and Technology, Titanium, Dose-Response Relationship, Drug, Multispecies biofilms, Chemistry, Chlorhexidine, Zirconium alloy, Biofilm, Prostheses and Implants, 030206 dentistry, Antimicrobial, 030104 developmental biology, Biofilms, Zirconium, Nuclear chemistry, medicine.drug, A titanium
Abstract

This study aimed to test the dose-response effect of chlorhexidine on multispecies biofilms formed on commercially pure titanium (cpTi) and titanium-zirconium (TiZr) alloy. Biofilms were formed on cpTi and TiZr discs and treated two times per day with five different chlorhexidine concentrations (0.12, 0.20, 0.50, 1, 2%). The biofilms were collected for microbiological, biochemical and microscopic analyses. The significance of differences among groups was evaluated by linear regression, ANOVA, Bonferroni and Tukey tests. The mean number of colony-forming units decreased as the chlorhexidine concentration increased for both cpTi and TiZr (p 0.05). The maximum effect was observed with the 0.5% concentration. Confocal microscopy images suggested an increase in the number of dead bacterial cells with increased chlorhexidine concentration. The biofilm pH increased after chlorhexidine exposure (p 0.05). Chlorhexidine showed an antimicrobial dose-response effect in controlling biofilm on cpTi and TiZr. 0.5% chlorhexidine can be used to achieve the maximum antimicrobial effect on both materials.

Published
2018

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