尖端覆盖设计和混合树脂陶材料对部分覆盖恢复的生物力学性能的影响
1Conservative Dental Science Department, College of Dentistry, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia.
Journal of functional biomaterials
|November 26, 2025
概括
完整的尖顶覆盖恢复显示出比功能尖顶覆盖更高的断裂阻力. 材料类型主要影响了对牙的混合树脂陶修复的边际适应.
科学领域:
- 牙科材料科学 牙科材料科学
- 恢复性牙科 恢复性牙科
- 生物材料工程 生物材料工程
背景情况:
- 结构上受损的牙往往需要顶覆盖才能恢复.
- 准备设计和材料选择对部分覆盖恢复性能的影响尚未完全理解.
研究的目的:
- 评估尖端覆盖设计 (功能性与完整性) 和混合树脂陶材料如何影响边缘适应性和断裂阻力.
- 为了比较GC Cerasmart和VITA Enamic在下牙部分覆盖恢复中的部分覆盖.
主要方法:
- 提取的八十个下牙被准备用于间接修复,并根据覆盖设计和材料分为四组.
- 恢复被粘合,受到热循环和循环负荷,并对断裂负荷,边际适应和故障模式进行评估.
主要成果:
- 完整的尖端覆盖恢复显示出明显高于功能尖端覆盖恢复的断裂负载.
- 与VITA Enamic相比,GC Cerasmart显示了较大的边际差距.
- 完整的尖端覆盖设计导致更容易修复的故障,而VITA Enamic则有更多的灾难性断裂.
结论:
- 尖端覆盖设计是部分覆盖恢复的断裂阻力的一个重要因素.
- 材料类型主要影响这些修复的边际调整.
- 两种测试的混合树脂陶均为部分覆盖应用提供了可接受的机械性能.
关键词:
顶端覆盖范围的顶端覆盖范围.骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折,骨折.混合陶是一种混合陶.这是一个边际调整.部分覆盖范围部分覆盖范围更多相关视频
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