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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

In vitro adhesion of Candida glabrata to denture base acrylic resin modified by glow-discharge plasma treatment

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Author(s):
Zamperini, Camila Andrade [1] ; Carneiro, Haline de Lima [1] ; Rangel, Elidiane Cipriano [2] ; Cruz, Nilson Cristino [2] ; Vergani, Carlos Eduardo [1] ; Machado, Ana Lucia [1]
Total Authors: 6
Affiliation:
[1] Univ Estadual Paulista, UNESP, Araraquara Dent Sch, Dept Dent Mat & Prosthodont, BR-14801903 Sao Paulo - Brazil
[2] Univ Estadual Paulista, UNESP, Lab Technol Plasmas, BR-14801903 Sao Paulo - Brazil
Total Affiliations: 2
Document type: Journal article
Source: MYCOSES; v. 56, n. 2, p. 134-144, MAR 2013.
Web of Science Citations: 12
Abstract

This study evaluated the potential of plasma treatments to modify the surface chemistry and hydrophobicity of a denture base acrylic resin to reduce the Candida glabrata adhesion. Specimens (n=54) with smooth surfaces were made and divided into three groups (n=18): control non-treated; experimental groups submitted to plasma treatment (Ar/50W; AAt/130W). The effects of these treatments on chemical composition and surface topography of the acrylic resin were evaluated. Surface free energy measurements (SFE) were performed after the treatments and after 48h of immersion in water. For each group, half (n=9) of the specimens were preconditionated with saliva before the adhesion assay. The number of adhered C. glabrata was evaluated by cell counting after crystal violet staining. The Ar/50W and AAt/130W treatments altered the chemistry composition, hydrophobicity and topography of acrylic surface. The Ar/50W group showed significantly lower C. glabrata adherence than the control group, in the absence of saliva. After preconditioning with saliva, C. glabrata adherence in experimental and control groups did not differ significantly. There were significant changes in the SFE after immersion in water. The results demonstrated that Ar/50W treated surfaces have potential for reducing C. glabrata adhesion to denture base resins and deserve further investigation, especially to tailor the parameters to prolong the increased wettability. (AU)

FAPESP's process: 08/05338-1 - EFFECT OF A PLASMA TREATMENT ON THE ONE DENTURE BASE ACRYLIC RESIN ABOUT ADHESION OF CANDIDA GLABRATA.
Grantee:Haline de Lima Carneiro
Support Opportunities: Scholarships in Brazil - Scientific Initiation