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在圆形牙根管道上安装不同类型的牙内部复合柱:初步评估

Valter Fernandes¹, Rita Fidalgo-Pereira², Jane Edwards¹

¹University Institute of Health Sciences (IUCS), Cooperativa Ensino Superior Universitário (CESPU), 4585-116 Gandra, Portugal.

Materials (Basel, Switzerland)

|June 19, 2024

概括

与袖子系统相比,捆绑和附属纤维增强复合材料 (GFRC) 柱子提供了优越的根运河配件和水泥分布. 这一初步分析突出了它们在改善牙科修复结果方面的潜力.

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
牙周内科医院牙周内科医院牙周内科医院

背景情况:

纤维增强复合材料 (GFRC) 柱子在牙科修复中被广泛使用.
准确地将柱子与根管道相配合,对于长期的成功至关重要.
了解水泥层厚度和缺陷存在对于后稳定性至关重要.

研究的目的:

在牙根管道内进行GFRC安装后的初步分析.
为了确定不同的GFRC帖类型周围的树脂水泥层厚度.
为了比较捆绑,袖子和附件GFRC柱的合适和水泥接口.

主要方法:

评估了三种类型的GFRC帖子:捆绑,袖子和附件系统.
使用了24个经过内牙治疗的人类牙前,根据柱子和水泥类型分为六组.
截面样本用于光学显微镜,以评估水泥厚度和缺陷 (孔隙,空隙,裂).

主要成果:

捆绑和附属杆显示有规律的树脂水泥分布,空隙比套套系统少.
袖子系统的柱子表现出不良的合适性,特别是在角根管部分.
树脂水泥类型没有显著影响接口厚度;捆绑和附属柱子促进了更好的水泥和纤维分布.

结论:

捆绑和附属GFRC柱在圆的根管道中显示出有前途的适配特性.
袖子系统柱子仅在冠状管区域显示出足够的适合性.
这项初步研究提供了关于GFRC适应后和水泥接口特性的见解.

关键词:

在GFRC中,GFRC是GFRC.混凝土厚度混凝土厚度接口接口接口接口接口微观结构的微观结构圆的道是圆的道后面的位置后面的位置后面的位置树脂水泥是一种树脂水泥.

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