Alternative adhesive strategies to optimize bonding to radicular dentin
Alternative adhesive strategies to optimize bonding to radicular dentin
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DOI：
10.1016/j.joen.2007.05.016
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发表时间：
2007-10-01
影响因子：
4.2
通讯作者：
Pashley, David H.
中科院分区：
文献类型：
--
作者：
Bouillaguet, Serge;Bertossa, Bruno;Pashley, David H.
本研究验证了一种假设，即使用丙烯酸芯材料间接粘接牙本质可以优化填充材料与根状牙本质的粘接强度。用EndoREZ、Epiphany或通过直接或间接粘接技术将丙烯酸点与SE Bond粘接，对人牙根进行根管预备和封闭。采用薄片推出试验测量了根状牙本质与根状牙本质的结合强度。EndoREZ和epiphon对根状牙本质的推力均小于500兆帕（MPa）。丙烯酸点与自蚀刻胶粘剂的直接粘接技术的推出强度为10 MPa，间接粘接技术的推出强度为18 MPa。利用丙烯酸点的间接键合协议来补偿聚合应力似乎是优化根状牙本质与根状充填材料键合强度的可行方法。
This study tested the hypothesis that bond strengths of filling materials to radicular dentin might be optimized by using an indirect dentin bonding procedure with an acrylic core material. Roots of human teeth were endodontically prepared and obturated with EndoREZ, Epiphany, or the bonding of an acrylic point with SE Bond by using a direct or an indirect bonding technique. Bond strengths of endodontic sealers to radicular dentin were measured with a thin slice push-out test. Push-out strengths of EndoREZ and Epiphany to radicular dentin were less than 5 megapascals (MPa). The direct bonding technique with acrylic points and the self-etching adhesive had push-out strengths of 10 MPa, increasing to 18 MPa with the indirect technique. The use of the indirect bonding protocol with an acrylic point to compensate for polymerization stresses appears to be a viable means for optimizing bond strengths of endodontic filling materials to radicular dentin.