首页> 外文会议>China International Conference on High-Performance Ceramics;CICC; 20070510-13;20070510-13; Changsha(CN);Changsha(CN) >Bond Strengths of Alumina-glass and Zirconia-glass Composites to Opaque-Dentine Porcelain
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Bond Strengths of Alumina-glass and Zirconia-glass Composites to Opaque-Dentine Porcelain

机译:氧化铝玻璃和氧化锆玻璃复合材料与不透明牙本质瓷的结合强度

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摘要

This study was conducted to evaluate shear bond strength between self-made alumina glass composites (AGC), zirconia glass composites (ZGC) and Vita alpha opaque-dentine porcelain, and also evaluate the effects of different surface treating methods on the bond strength. The AGC and ZGC specimens were treated differently and then bonded with Vita alpha opaque-dentine porcelain. The bond strength was measured by shear test and the surface treating methods included no-treatment, sandblasting and etching. The results showed that the values of bond strength for AGC groups were 30.1, 41.1 and 41.9 MPa respectively, and the bond strength of both sandblasting group and etching group were significantly higher than that of the untreated group; the bond strength of ZGC groups were 60.2, 63.6 and 35.5MPa respectively, and the value of sandblasting group was significantly higher while etching group was lower than that of untreated group. These results indicated that Vita alpha opaque-dentine porcelain can be well sintered to self-made AGC and ZGC. Sandblasting can greatly improve the bond strength for both AGC and ZGC, while the etching treating method had different effect on their bond strengths.
机译:本研究旨在评估自制氧化铝玻璃复合材料(AGC),氧化锆玻璃复合材料(ZGC)和Vitaα不透明牙本质瓷之间的剪切粘结强度,并评估不同表面处理方法对粘结强度的影响。 AGC和ZGC标本经过不同处理,然后与Vita alpha不透明牙质瓷器粘合。通过剪切试验测量粘合强度,并且表面处理方法包括不处理,喷砂和蚀刻。结果表明,AGC组的粘结强度分别为30.1、41.1和41.9 MPa,喷砂组和腐蚀组的粘结强度均明显高于未处理组。 ZGC组的结合强度分别为60.2、63.6和35.5MPa,喷砂组的值明显高于未处理组,而蚀刻组的值低于未处理组。这些结果表明,Vitaα不透明牙质瓷可以很好地烧结成自制的AGC和ZGC。喷砂处理可以大大提高AGC和ZGC的结合强度,而蚀刻处理方法对其结合强度的影响不同。

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