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    Bacterial Adhesion on Glass-Ionomer Cements and Micro/Nano Hybrid Composite Dental Surfaces

    Year: 2021

    Journal: Coatings, Volume 11, FEB

    Authors: Bohinc, Klemen; Tintor, Erna; Kovacevic, Davor; Vidrih, Rajko; Zore, Anamarija; Abram, Anze; Kojic, Zeljka; Obradovic, Marija; Veselinovic, Valentina; Dolic, Olivera

    Organizations: COST action [CA 15216-ENBA]; ARRS through the program Mechanisms of health maintenance

    Keywords: bacterial adhesion; glass– ionomer cement; Micro; Nano hybrid composite; surface properties

    Dental restorations need to reproduce the aspect of the natural teeth of the patient, and must be non-toxic, biocompatible, and have good mechanical properties so that they can last for longer. The aim of this study was to determine the extent of bacterial adhesion of Streptococcus mutans on four different dental material surfaces, i.e., two glass-ionomer cements (Fuji conventional and Fuji hybrid) and two ceramic composites (Micro hybrid composite and Nano hybrid composite). To understand the bacterial adhesion on these four different dental materials, various surface properties were measured: roughness, contact angle, CIE color parameters and zeta potential. We found that the greatest adhesion extent was obtained for the Nano hybrid composite surface. The pronounced adhesion is the interplay between the relatively high roughness and hydrophilicity of the Nano hybrid composite surface. Color changes upon immersing ceramic composites in red wine and black tea proved that both beverages adhered to them. Black tea adhered more intensively than wine, and showed a higher inhibitory effect on the growth of Streptococcus mutans and Staphylococcus aureus.
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