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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Bonded Interface between a Self-Curing Resin and Dentin Primed with a Metalloprotein
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Bonded Interface between a Self-Curing Resin and Dentin Primed with a Metalloprotein

机译：自固化树脂和用金属蛋白引发的牙本质之间的键合界面

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摘要

The purpose of this study was to investigate adhesive bonding between a self-curing luting agent and dentin conditioned with a metalloprotein in terms of resin-dentin hybridization and interfacial polymerization. Of the six experimental primers containing bovine heart cytochrome c (BHCC), three contained 2-hydroxyethylmethacrylate (HEMA) and the remaining three did not. The self-curing luting agent used consisted of methyl methacrylate (MMA) and tri-n-butylborane (TBB) with or without 4-methacryloyloxyethyl trimellitate anhydride (4-META). Bovine dentin surfaces were etched with 10wt percent phosphoric acid, primed, and then bonded with stainless steel rods. After 24 h of water storage, the optimum bond strength was obtained with the 4-META/MMA-TBB luting agent and the aqueous primer contained 0.1 mu mol/g BHCC and 35wt percent HEMA. Microscopic observations showed continuity among the luting agent, the hybridized dentin, and the dentin substrate. A model experiment suggested that BHCC accelerates the polymerization of the 4-META/MMA/HEMA mixture from the hybridized dentin.
机译：这项研究的目的是从树脂-牙本质杂交和界面聚合的角度研究自固化诱剂和以金属蛋白调节的牙本质之间的粘合剂结合。在六种含有牛心脏细胞色素c（BHCC）的实验性引物中，三种含有甲基丙烯酸2-羟乙酯（HEMA），其余三种则没有。所用的自固化胶粘剂由甲基丙烯酸甲酯（MMA）和三正丁基硼烷（TBB）或不带有4-甲基丙烯酰氧基乙基偏苯三酸酯（4-META）组成。用10wt％的磷酸蚀刻牛的牙本质表面，涂上底漆，然后用不锈钢棒粘结。储水24小时后，使用4-META / MMA-TBB浸润剂获得了最佳的粘合强度，水性底漆包含0.1μmol/ g BHCC和35wt％的HEMA。显微镜观察表明，诱剂，杂交的牙本质和牙本质基质之间是连续的。模型实验表明，BHCC促进了来自杂交牙本质的4-META / MMA / HEMA混合物的聚合。

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