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Preparation and Properties of Dental Composite Resin Cured under Near Infrared Irradiation

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タイトル: Preparation and Properties of Dental Composite Resin Cured under Near Infrared Irradiation
著者: Uo, Motohiro 著作を一覧する
Kudo, Eiki 著作を一覧する
Okada, Aya 著作を一覧する
Soga, Kohei 著作を一覧する
Kogo, Yasuo 著作を一覧する
キーワード: composite resin
upconversion
near infrared
photo-polymerization
発行日: 2009年
出版者: The Technical Association of Photopolymers, Japan
誌名: Journal of Photopolymer Science and Technology
巻: 22
号: 5
開始ページ: 551
終了ページ: 554
抄録: A composite resin (CR) with photo-polymerization is widely used for dental filling material. Current CR has a restriction on the photo-polymerization depth because of the scattering of irradiated blue visible (VIS) light. Rare earth doped Y2O3 particles (Y2O3:RE) are known to emit blue VIS light under near infrared (NIR) excitation by an upconversion process. The particles can act as both filler to reinforce and illuminator to cure the resin by emitting blue VIS light under the irradiation of the NIR light, which propagates more deeply due to its longer wavelength. In this study, CR with Y2O3:RE was prepared. The Young's modulus of CR with Y2O3 was comparable with that of commercial CR, however, the hardness was lower than that of commercial CR. CR with Y2O3:RE was successfully cured with NIR irradiation. Then, the feasibility of Y2O3:RE as the NIR polymerization initiator using its upconversion emission for CR was suggested.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/38802
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 宇尾 基弘

 

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