Degradation-stage effect of self-etching primer on dentin bond durability

M. Aida, M. Odaki, K. Fujita, T. Kitagawa, I. Teshima, K. Suzuki, N. Nishiyama

研究成果: ジャーナルへの寄稿記事査読

27 被引用数 (Scopus)


It is well-known that self-etching primers can be altered. However, the effects from altered primers on the dentin bond durability have yet to be thoroughly identified. In this study, we examined the effects from 5 altered Liquid A primers in different stages of degradation - where 2- hydroxyethylmethacrylate (HEMA) and 10-methacryloyloxydecyl dihydrogen phosphate (MDP), used in Liquid A primers, were altered by the hydrolysis of the methacryloxy ester portion in the HEMA and MDP - on the hybrid layer's quality and dentin bond durability. The hypothesis was that degradation stages of altered Liquid A primers have no effect on the hybrid layer's quality and on dentin bond durability. Bond strengths, obtained after thermo-cycling, were strongly dependent on the degradation stage of the altered Liquid A primer. Alterations of self-etching primers reduced dentin bond durability and decreased the created hybrid layer's quality.

ジャーナルJournal of Dental Research
出版ステータス出版済み - 1 5月 2009


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