Shimoe Saiji, Hirata Isao, Otaku Mai, Matsumura Hideo, Kato Koichi, Satoda Takahiro
Department of Anatomy and Functional Restorations, Integrated Health Sciences, Hiroshima University Graduate School of Biomedical and Health Sciences.
Department of Biomaterials, Basic Life Sciences, Hiroshima University Graduate School of Biomedical and Health Sciences.
J Oral Sci. 2018 Jun 20;60(2):187-193. doi: 10.2334/josnusd.17-0160. Epub 2018 May 10.
We investigated the chemical interaction between zirconia surfaces and functional monomers using X-ray photoelectron spectroscopy (XPS). Two types of zirconia disks cleaned with piranha solution were treated with one of two phosphate primers (Alloy Primer, Clearfil Ceramic Primer) or a carboxylic primer (Super-Bond C&B Monomer), and rinsed 3 times with acetone. XPS analysis revealed that phosphorus was incorporated into zirconia when the surface was treated with a primer containing phosphate monomer (10-methacryloyloxydecyl dihydrogen phosphate; MDP). However, the S 2p peak of a triazine dithiol monomer (6-[N-(4-vinylbenzyl)-n-propylamino]-1,3,5-triazine-2,4-dithione; VTD) and Si 2p peak of silane (3-trimethoxysilylpropyl methacrylate; TMSPMA) were not detected in the spectra of the primed surface. The [C]/[Zr] ratio for the surface treated with a carboxylic anhydride (4-methacryloyloxyethyl trimellitate anhydride; 4-META) primer was smaller than that treated with MDP. These results demonstrated that 4-META and MDP adsorbed to zirconia, whereas the VTD and TMSPMA did not.
我们使用X射线光电子能谱（XPS）研究了氧化锆表面与功能性单体之间的化学相互作用。用食人鱼溶液清洗过的两种类型的氧化锆圆盘，分别用两种磷酸盐底漆（合金底漆、Clearfil陶瓷底漆）或一种羧酸底漆（Super-Bond C&B单体）处理，并用丙酮冲洗3次。XPS分析表明，当用含磷酸盐单体（10-甲基丙烯酰氧基癸基磷酸二氢酯；MDP）的底漆处理表面时，磷会掺入氧化锆中。然而，在底漆处理过的表面光谱中未检测到三嗪二硫醇单体（6-[N-(4-乙烯基苄基)-正丙基氨基]-1,3,5-三嗪-2,4-二硫酮；VTD）的S 2p峰和硅烷（3-三甲氧基硅丙基甲基丙烯酸酯；TMSPMA）的Si 2p峰。用羧酸酐（4-甲基丙烯酰氧基乙基偏苯三酸酐；4-META）底漆处理的表面的[C]/[Zr]比值小于用MDP处理的表面。这些结果表明，4-META和MDP吸附在氧化锆上，而VTD和TMSPMA则没有。
