磁控溅射氮化锆涂层对钛-低熔瓷结合强度的影响  

Effects of magnetron sputtered ZrN on the bonding strength of titanium porcelain

作　　者：周淑[1] 张文艳[2] 光寒冰[1] 夏阳[1] 章非敏[1] 

机构地区：[1]南京医科大学口腔医学研究所南京医科大学附属口腔医院修复科,210029 [2]东南大学江苏省先进金属材料高技术重点实验室

出　　处：《中华口腔医学杂志》2009年第4期236-239,共4页Chinese Journal of Stomatology

基　　金：江苏省卫生厅医学重点人才培养项目（RC2007099）

摘　　要：目的探讨磁控溅射氮化锆涂层（ZrN）对钛-低熔瓷结合强度的影响，以期为钛-瓷修复体的临床应用提供参考。方法根据随机数字表将16根纯钛试件随机分为涂层组和对照组，每组8根。涂层组纯钛试件表面磁控溅射ZrN涂层，对照组不进行表面处理。两组试件均按厂家规定烧结程序烧结粘接瓷、遮色瓷和牙本质瓷。x射线衍射（X—ray diffraction，XRD）分析涂层结构，万能实验机对两组试件进行三点弯曲实验，以计算钛-瓷结合强度并进行t检验。对钛-瓷结合界面进行扫描电镜（SEM）观察和能谱分析，对钛-瓷分离界面进行SEM观察。结果XRD观察到涂层组试件ZrN新相。涂层组试件钛-瓷结合强度[（45．991±0．648）MPa]高于对照组[（29．483±1．007）MPa]，差异有统计学意义（P=0．000）。SEM显示涂层组钛-瓷分离界面瓷剩余数量较多，分布散在，而对照组钛-瓷分离界面未见明显瓷剩余。结论磁控溅射ZrN涂层可显著提高钛-瓷结合强度。Objective To investigate the effect of magnetron sputtered ZrN on the bonding strength between a low-fusing porcelain （Ti/Vita titankeramik system ） and commercially pure cast titanium. Methods Sixteen specimens were randomly assigned to test group and control group （ n = 8 ）. The control group received no surface treated. Magnetron sputtered ZrN film was deposited on the surface of specimens in the test group. Then the sixteen titanium-porcelain specimens were prepared in a rectangular shape and went through three-point bending test on a universal test machine. The bond strength of Ti/porcelain was recorded. The phase composition of the specimens was analyzed using X-ray diffraction （XRD）. The interface at titanium and porcelain and the titanium surface after debonding were observed with a scanning electron microscopy （SEM） and analyzed using energy depressive spectrum （EDS）. Results New phase of ZrN was found with XRD in the test group. Statistical analysis showed higher bond strength following ZrN surface treatment in the test group [ （45. 991 ±0. 648） MPa] than that in the control group [ （29. 483 ± 1.007） MPa] （P = 0.000）. Bonded ceramic could be observed in test group, the amount of bonded ceramic was more than that in the control group. No obvious bonded ceramic in control group was found. Conclusions Magnetron sputtered ZrN can improve bond strength of Ti/Vita titankeramik system significantly.

关 键 词：钛 陶瓷制品 磁控溅射 氮化锆 

分 类 号：R686[医药卫生—骨科学]