Inhibition of Biofilm Formation using Newly Developed Coating Materials with Self-cleaning Properties

Ayako Okada, Toru Nikaido, Masaomi Ikeda, Koichi Okada, Junichi Yamauchi, Richard M. Foxton, Hideo Sawada, Junji Tagami, Khairul Matin

Research output: Contribution to journalArticlepeer-review

57 Citations (Scopus)

Abstract

The purpose of this study was to evaluate the inhibition of biofilm formation on newly developed coating materials with self-cleaning properties. A series of experimental coating materials containing fluoroalkylated acrylic acid oligomer (FAAO) were applied to resin composite substrates. The surfaces of the coating materials were analyzed by X-ray photoelectron spectroscopy (XPS) and contact angle measurement. Biofilm formation on the surface was assessed using Streptococcus mutans biofilms inside an oral simulator in vitro. The results indicated that an increase in the concentration of FAAO in the coating materials enhanced surface hydrophilicity and oil-repellency. Biofilm assays demonstrated that the amount of biofilm retained on the coating materials gradually decreased when the concentration of FAAO increased in the materials. It was concluded that the coating materials incorporated with FAAO possessed self-cleaning properties and displayed signs of inhibiting biofilm formation on their surfaces.
Original languageEnglish
Pages (from-to)565 - 572
Number of pages8
JournalDental Materials Journal
Volume27
Issue number4
Publication statusPublished - 2008

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