Influence of Multiple Firing on the Bending Strength of Zirconia/Porcelain Bilayered Dental Ceramics
Influence of Multiple Firing on the Bending Strength of Zirconia/Porcelain Bilayered Dental Ceramics
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多次烧成对氧化锆/烤瓷双层牙科陶瓷抗弯强度的影响
DOI：
10.4028/www.scientific.net/kem.492.24
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发表时间：
2011-09
期刊：
影响因子：
--
通讯作者：
Bin Deng
中科院分区：
文献类型：
--
作者：
Jie-Mo Tian;Kang-Lin Hou;Ning Wen;Bin Deng
按照ISO6872标准制作KAVO氧化锆-Vita VM9贴面瓷双层三点抗弯强度试件，芯瓷厚度比为1:1。样本经历了多个牙本质瓷烧制周期。测试了三点弯曲强度，用SEM观察失效模式特征。结果表明，多次烧成对弯曲强度没有影响，多次烧成后三点弯曲强度为996～1020 MPa，界面处未发现明显缺陷。在所有双层样本中，整体断裂始于芯材的拉伸表面，并始终伴随着界面处的陶瓷破碎和分层。
Bilayered three-point bending strength specimen of KAVO zirconia-Vita VM9 veneering porcelain were made according to ISO6872 standard, the core to porcelain thickness ratio was 1:1. Specimens were subjected to multiple dentine porcelain firing cycles. Three-point bending strength were tested, SEM was used to observe the characteristics of the failure mode. Results show that there was no influence on the bending strength by multiple firing, the three-point bending strength were 996 ~ 1020 MPa after multiple firing, and no obvious defects was found at the interfaces. In all bilayered specimen, the bulk fracture initiated at the tensile surface of the core material and was consistently accompanied with porcelain crush and delamination at the interface.
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影响因子：
5
作者：
Isgró, G;Kleverlaan, CJ;Feilzer, AJ
通讯作者：
Feilzer, AJ
影响因子：
7.6
作者：
Mackert, JR;Twiggs, SW;Williams, AL
通讯作者：
Williams, AL
影响因子：
7.6
作者：
J. Nielsen;Joseph J. Tuccillo
通讯作者：
J. Nielsen;Joseph J. Tuccillo
影响因子：
7.6
作者：
Mackert, JR;Williams, AL
通讯作者：
Williams, AL
DOI：
10.1002/jbm.b.31083
发表时间：
2008-10-01
影响因子：
3.4
作者：
Aboushelib, Moustafa N.;Feilzer, Albert J.;Kleverlaan, Cornelis J.
通讯作者：
Kleverlaan, Cornelis J.