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C andida albicans adhesion on reinforced polymethylmethacrylate denture resin: effect of fibre architecture and exposure to saliva
Author(s) -
AkalınEvren Buket,
KulakÖzkan Yasemin,
Özcan Mutlu,
Kadir Tanju
Publication year - 2014
Publication title -
gerodontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.7
H-Index - 54
eISSN - 1741-2358
pISSN - 0734-0664
DOI - 10.1111/ger.12024
Subject(s) - distilled water , saliva , candida albicans , adhesion , medicine , corpus albicans , fiber , dentistry , composite material , microbiology and biotechnology , materials science , chemistry , chromatography , biology
Background and objectives Fiber‐reinforced composites ( FRC ) are used to reinforce the prosthetic and restorative appliances. This may result in the exposure of the FRC s which may affect the adherence of microorganisms. This study evaluated the adhesion of Candida albicans to a denture base resin ( N = 48), reinforced with E ‐glass FRC s with different architectures [unidirectional ( n = 16) and woven ( n = 16)], when exposed to either saliva or distilled water. Materials and methods Specimens without FRC reinforcement served as control ( n = 16). After fiber surfaces were exposed, half of the specimens ( n = 8/per group) were treated with saliva, the other half was stored in distilled water prior to C . albicans adhesion. The adhered microorganisms were counted under an optical microscope and the data were analyzed. Results When exposed to distilled water or saliva, specimens with unidirectional (5403.4 cells/cm 2 and 5013.4 cells/cm 2 , respectively) ( p = 0.202), woven fibers (4053.5 cells/cm 2 and 3726.6 cells/cm 2 , respectively) ( p = 0.283) and specimens without fibers (2250 cells/cm 2 and 2006.8 cells/cm 2 , respectively) ( p = 0.423) showed C . albicans adhesion, being not significant. In general, all the specimens exposed to saliva showed 3582.2 cells/cm 2 C . albicans adhesion, while specimens exposed to distilled water showed 3902 cells/cm 2 C . albicans adhesion, yet being not significant ( p = 0.436). Regarding fiber type, C . albicans adhesion was significantly affected by the exposed FRC architecture with more favorable results for woven fibers ( p < 0.001). Conclusion Polymethylmethacrylate without FRC s collected less C . albicans . The presence of saliva seems to reduce the adhesion.