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目的通过观察和比较Super-bond超级黏结剂、树脂加强型玻璃离子水门汀、玻璃离子水门汀(富士Ⅱ)黏结钛-钛界面,研究其边缘的微渗漏及3种黏结剂黏结后的抗剪切强度大小。方法制作60个纯钛金属片用于微渗漏实验,随机分为超级黏结剂组、树脂加强型玻璃离子组、玻璃离子水门汀组。将所有黏结完成的纯钛试件安装到自制的微渗漏装置中,自然渗漏14d后,用葡萄糖氧化酶-过氧化物酶法(GOD-POD法)测量各组微渗漏液的葡萄糖浓度,记录数据并采用SPSS软件进行分析比较。此外,制作30个用于测定抗剪切强度、未使用金属处理剂的纯钛金属试件,随机分为3组每组10个;制作30个用于测定抗剪切强度、使用金属处理剂的纯钛金属试件,随机分为3组每组10个,每组都使用以上3种黏结剂黏结。在万能测力仪上检测其抗剪切强度,然后进行统计分析。结果 3组的微渗漏值差异具有统计学意义(P<0.05)。未使用金属处理剂的3组抗剪切强度值差异具有统计学意义(P<0.05),金属处理剂处理后的3组差异具有统计学意义(P<0.05)。结论超级黏结剂在钛-钛界面之间的微渗漏值小于树脂加强型玻璃离子水门汀和玻璃离子水门汀,而且其抗剪切强度最大。树脂加强型玻璃离子水门汀组的微渗漏值为三组最大。玻璃离子水门汀的抗剪切强度为三组最差,金属处理剂处理后树脂加强型玻璃离子水门汀组和玻璃离子水门汀组的抗剪切强度较处理前的抗剪切强度有所降低。
OBJECTIVE To study the microleakage at the edges and the shear resistance of three kinds of adhesive after bonding by observing and comparing the super-bond super binder, resin-reinforced glass ionomer cement and glass ionomer cement (Fuji Ⅱ) Strength size. Methods Sixty pure titanium sheets were prepared for microleakage test and randomly divided into super-binder group, resin reinforced glass ion group and glass ionomer cement group. All the bonded titanium specimens were mounted on a self-made microleakage device. After 14 days of natural leakage, the glucose in the microleaks was measured by the glucose oxidase-peroxidase method (GOD-POD method) Concentration, record data and use SPSS software for analysis and comparison. In addition, 30 pure titanium metal specimens for measuring the shear strength and no metal treatment agent were prepared and randomly divided into 3 groups of 10 specimens each; 30 specimens for determining the shear strength and the metal treatment agent Of pure titanium metal specimens were randomly divided into 3 groups of 10 each group, each using more than three kinds of adhesive bonding. In the universal dynamometer test its shear strength, and then statistical analysis. Results The difference of microleakage between the three groups was statistically significant (P <0.05). There was statistical significance between the three groups of shear strength values of unused metal treatment agent (P <0.05), and the difference of three groups after metal treatment agent was statistically significant (P <0.05). Conclusion The microleakage value of super binder between titanium and titanium interface is less than that of resin-reinforced glass ionomer cement and glass ionomer cement, and its shear strength is the highest. The microleakage values of the resin-reinforced glass ionomer cement group were the highest among the three groups. The shear strength of glass ionomer cement was the worst in three groups. The shear strength of glass ionomer cement group and glass ionomer cement group was lower than that of the glass ionomer cement group before treatment.