| 摘要 |
PROBLEM TO BE SOLVED: To provide a photopolymerizable dental composition having little color tone change between before and after its curing, exhibiting an excellent photopolymerizability by the irradiation of a wide width of wavelength region, and excellent in thin layer surface curability, and a photopolymerization initiator used for the same. SOLUTION: This visible light-polymerizable dental composition is characterized by not substantially containing an amine compound as a photo-sensitizer, and containing a 0.01 to 10 pts.wt. (bis)acylphosphine oxide compound, a 0.01 to 10 pts.wt.α-diketone compound and a 100 pts.wt. polymerizable monomer. COPYRIGHT: (C)2009,JPO&INPIT
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