Abstract
The objective of the present study is to make a resin by using fluoroalkyl acrylate monomer for the suppression of the adhesion of microbes to dentures surfaces and plaque formation, since it is thought that fluoroalkyl acrylate monomer might develop a denture base material having low affinity for microbes. Here, we could produce polymer beads by adding perfluorooctylethyl acrylate (C8F) to methyl methacrylate (MMA) in order to modify the surface characteristics of the denture base resin, and then investigated microbial adhesion to test specimens.The water contact angle for C8F-added specimens (C8FA) was higher than that for control specimens (MMA/PMMA), although the surface hardness and tensile strength of the C8FA were slightly lower than those of the control. In addition, the maximum fluorine concentration for the C8FA was at a depth of 0.2 mm. Furthermore, bacterial adhesion to test specimens using Candida albicans was lower for the C8FA, when compared to the control. These findings suggest that the surface characteristics of dentures may be improved by adding a fluoroalkyl acrylate monomer to the filling polymer used in denture base resins.
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