Plasma-based Fluorine Ion Implantation into Dental Materials for Inhibition of Bacterial Adhesion
スポンサーリンク
概要
- 論文の詳細を見る
The aims of this study were to evaluate the fluorine depth profiles of pure titanium (Ti), stainless steel (SUS), and polymethyl methacrylate (PMMA) modified by plasma-based fluorine ion implantation and the effects of fluorine ion implantation on contact angle, fluoride ion release, and S. mutans adhesion. Fluorine-based gases used were Ar+F_2 and CF_4. By means of SIMS, it was found that the peak count of PMMA was the lowest while that of Ti was the highest. Then, up to one minute after Ar sputtering, the presence of fluorine and chromic fluoride could be detected by XPS in the surface and subsurface layer. As for the effects of using CF_4 gas for fluorine ion implantation into SUS substrate, the results were: contact angle was significantly increased; no fluoride ion release was detected; antibacterial activity was significantly increased while initial adhesion was decreased. These findings thus indicated that plasma-based fluorine ion implantation into SUS with CF_4 gas provided surface antibacterial activity which was useful in inhibiting bacterial adhesion.
- 日本歯科理工学会の論文
著者
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NISHINO Mizuho
Department of Pediatric Dentistry, Institute of Health Biosciences, The University of Tokushima Grad
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ARITA Kenji
Department of Pediatric Dentistry, Institute of Health Biosciences, The University of Tokushima Grad
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Arita Kenji
Department Of Pediatric Dentistry Institute Of Health Biosciences The University Of Tokushima Gradua
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Nishino Mizuho
Department Of Pediatric Dentistry Institute Of Health Biosciences The University Of Tokushima Gradua
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Arita Kenji
Univ. Tokushima Tokushima Jpn
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SHINONAGA Yukari
Department of Pediatric Dentistry, Social and Environmental Medicine, Integrated Sciences of Transla
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Shinonaga Yukari
Univ. Tokushima Tokushima Jpn
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Shinonaga Yukari
Department Of Pediatric Dentistry Social And Environmental Medicine Integrated Sciences Of Translati
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Arita Kenji
Department Of Pediatric Dentistry Institute Of Health Biosciences The University Of Tokushima Gradua
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Shinonaga Yukari
Department Of Pediatric Dentistry Institute Of Health Biosciences The University Of Tokushima Graduate School
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Arita Nurhaerant
Department of Pediatric Dentistry, Institute of Health Biosciences, The University of Tokushima Graduate School
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