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Observations on Laboratory and Numerical Simulated Fracture Behavior of Lithium Dicilicate Glass Ceramic Crowns

机译:二硅酸锂玻璃陶瓷冠的实验室及数值模拟断裂行为的观察

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With the limitations of this study, the veneered crowns were inferior to the non-veneered ones in terms of fracture load. Moreover, it can be deduced by numerical simulation that, interface between veneer layer and core material might be one of the stress concentration areas initiating crack development and growth, resulting in fracture. As the results of in vitro and numerical studies are coincident with each other, selection of stronger veneer ceramics which have less possibility to perform flaws in fabrication can reduce the chances of chipping and delamination under function.
机译:由于这项研究的局限性,单板冠在断裂载荷方面不如非单板冠。此外,可以通过数值模拟推论,薄板层与芯材之间的界面可能是应力集中区域之一,引发裂纹的发展和扩展,从而导致断裂。由于体外研究和数值研究的结果相互一致,因此选择强度更高的单板陶瓷,这些单板陶瓷在制造过程中出现瑕疵的可能性较小,可以减少功能下出现崩裂和分层的机会。

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