Effect of various visible light photoinitiators on the polymerization and color of light-activated resins
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概要
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The purpose of this study was to investigate effects of various visible light photoinitiators on the polymerization efficiency and color of the light-activated resins. Four photoinitiators, including camphorquinone, phenylpropanedione, monoacrylphosphine oxide (TPO), and bisacrylphosphine oxide (Ir819), were used. Each photoinitiator was dissolved in a Bis-GMA and TEGDMA monomer mixture. Materials were polymerized using dental quartz-tungsten halogen lamp (QTH), plasma-ark lamp and blue LED light-curing units, and a custom-made violet LED light unit. The degree of monomer conversion and CIE L*a*b* color values of the resins were measured using a FTIR and spectral transmittance meter. The degree of monomer conversions of TPO- and Ir819-containing resins polymerized with the violet-LED unit were higher than camphorquinone-containing resin polymerized with the QTH light-curing unit. The lowest color values were observed for the TPO-containing resin. Our results indicate that the TPO photoinitiator and the violet-LED light unit may provide a useful and improved photopolymerization system for dental light-activated resins.
- 2009-07-01
著者
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KANIE Takahito
Department of Biomaterials Science, Graduate School of Medical and Dental Sciences, Kagoshima Univer
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ARIKAWA Hiroyuki
Department of Biomaterials Science, Graduate School of Medical and Dental Sciences, Kagoshima Univer
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BAN Seiji
Department of Biomaterials Science, Graduate School of Medical and Dental Sciences, Kagoshima Univer
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TAKAHASHI Hideo
Department of Electronics Engineering, Faculty of Engineering, Shibaura Institute of Technology
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Kanie Takahito
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Arikawa Hiroyuki
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Arikawa Hiroyuki
鹿児島大学 医歯総研究歯科理工学
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Ban Seiji
Kagoshima Univ. Kagoshima Jpn
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Ban S
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Ban Seiji
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Takahashi H
Department Of Electronics Engineering Faculty Of Engineering Shibaura Institute Of Technology
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Ban Seiji
Department Of Biomaterials Science Kagoshima University Graduate School Of Medical And Dental Scienc
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Ban Seiji
Department Of Biomaterials Science Field Of Oral And Maxillofacial Rehabilitation Course For Advance
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Kanie Takahito
Department Of Biomaterials Science Graduate School Of Medical And Dental Sciences Kagoshima Universi
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Takahashi Hideo
Department Of Biochemistry School Of Medicine Nihon University
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Takahashi Hideo
Department Of Anatomy Dokkyo Medical University School Of Medicine
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