Cooperation of phosphate monomer and silica modification on zirconia

被引:122
作者
Tanaka, R. [1 ,2 ]
Fujishima, A. [1 ]
Shibata, Y. [1 ]
Manabe, A. [2 ]
Miyazaki, T. [1 ]
机构
[1] Showa Univ, Sch Dent, Dept Oral Biomat & Technol, Shinagawa Ku, Tokyo 1428555, Japan
[2] Showa Univ, Sch Dent, Div Aesthet Dent, Ohta Ku, Tokyo 1458515, Japan
关键词
zirconia; tribochemical modification; phosphate monomer; silane coupling agent; x-ray photoelectron spectroscopy;
D O I
10.1177/154405910808700705
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Ceramic restorations with resin-based adhesive systems have been the focus of recent attention in clinical dentistry. Yttrium-oxide-partially-stabilized zirconia (YPSZ) ceramics have optimized physical properties and exhibit favorable fracture toughness, though their bonding properties are problematic. Although functional phosphate monomers and silica-coating by tribochemical modification were expected to improve the bonding properties between YPSZ ceramics and resin-based adhesives, these two methods remain controversial. This study evaluated the efficiency of silica-coating by tribochemical modification of YPSZ ceramics. The application of phosphate monomer and a silane coupling agent on silica-coated YPSZ was also investigated. The silica-coating of YPSZ ceramics by tribochemical modification was not efficient, given the higher mechanical toughness of the densely sintered ceramics. Stable shear bond strength was achieved on silica-coated YPSZ ceramics with the cooperative interaction of phosphate monomer and silane coupling.
引用
收藏
页码:666 / 670
页数:5
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