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Sorption, Solubility, Bond Strength and Hardness of Denture Soft Lining Incorporated with Silver Nanoparticles
Division of Materials Processing Technology, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, Gliwice 44-100, Poland
Department of Prosthetic Dentistry, Medical University of Silesia, pl. Akademicki 17, Bytom 41-902, Poland
Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, ul. M. Strzody 9, Gliwice 44-100, Poland
These authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 7 November 2012; in revised form: 12 December 2012 / Accepted: 17 December 2012 / Published: 27 December 2012
Abstract: The colonization of denture soft lining material by oral fungi can result in infections and stomatitis of oral tissues. In this study, 0 ppm to 200 ppm of silver nanoparticles was incorporated as an antimicrobial agent into composites to reduce the microbial colonization of lining materials. The effect of silver nanoparticle incorporation into a soft lining material on the sorption, solubility, hardness (on the Shore A scale) and tensile bond strength of the composites was investigated. The data were statistically analyzed using two-way ANOVA and Newman-Keuls post hoc tests or the chi-square Pearson test at the p < 0.05 level. An increase in the nanosilver concentration resulted in a decrease in hardness, an increase in sorption and solubility, a decrease in bond strength and a change in the failure type of the samples. The best combination of bond strength, sorption, solubility and hardness with antifungal efficacy was achieved for silver nanoparticle concentrations ranging from 20 ppm to 40 ppm. These composites did not show properties worse than those of the material without silver nanoparticles and exhibited enhanced in vitro antifungal efficiency.
Keywords: antimicrobial polymers; silver nanoparticles; soft lining; bond strength; sorption; solubility; hardness
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Chladek, G.; Kasperski, J.; Barszczewska-Rybarek, I.; Żmudzki, J. Sorption, Solubility, Bond Strength and Hardness of Denture Soft Lining Incorporated with Silver Nanoparticles. Int. J. Mol. Sci. 2013, 14, 563-574.
Chladek G, Kasperski J, Barszczewska-Rybarek I, Żmudzki J. Sorption, Solubility, Bond Strength and Hardness of Denture Soft Lining Incorporated with Silver Nanoparticles. International Journal of Molecular Sciences. 2013; 14(1):563-574.
Chladek, Grzegorz; Kasperski, Jacek; Barszczewska-Rybarek, Izabela; Żmudzki, Jarosław. 2013. "Sorption, Solubility, Bond Strength and Hardness of Denture Soft Lining Incorporated with Silver Nanoparticles." Int. J. Mol. Sci. 14, no. 1: 563-574.