半分裂体充填技术在大牙合体充填树脂复合修复中的应用

Khamis A Hassan, S. Khier
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引用次数: 0

摘要

当复合树脂通过光固化硬化时,它会收缩并经历变形,这种变形在复合体中的一个区域比其他区域更容易发生。这种行为主要与周围牙釉质和牙本质的结合变化有关。与周围空腔壁的结合产生了抑制收缩,从而在复合体内产生拉伸应力。产生的拉伸应力与复合树脂的抗拉强度相反
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Semi-Split Bulk Filling Technique In Large Occlusal Bulk-Fill Resin Composite Restorations
When composite resin hardens by light curing, it shrinks and undergoes deformation which occurs in one region more than other regions within the composite bulk. This behavior is mainly related to variations in bonding to enamel and dentin of surrounding cavity walls. Bonding to surrounding cavity walls creates restrained shrinkage which develops tensile stresses within the composite bulk. The developed tensile stresses act against the tensile strength of the composite resin
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