纤维增强柱子的推出键强度使用各种后空间灌处理方法
Amir Mohammad Shahrokhi1, Amir Ali Shahrokhi2, Raoufeh Asghari2
1School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
International journal of dentistry
|November 15, 2024
概括
该研究发现,将二化物 (NaOCl) 和乙烯基胺三酸 (EDTA) 与被动超声波灌 (PUI) 结合起来,可以显著提高纤维对牙的后结合强度. 这种灌方案在空间后准备后有效地去除涂抹层.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科材料科学 牙科材料科学
- 生物材料是一种生物材料.
背景情况:
- 牙内后恢复的稳定性取决于有效的牙后粘附.
- 在空间准备后的残留涂抹层可能会损害结合强度.
- 优化灌方案对于可预测的临床结果至关重要.
研究的目的:
- 评估各种内牙灌治疗对纤维柱对牙的推出键强度的影响.
- 为了对比传统的注射器灌 (CSI) 和被动的超声波灌 (PUI) 不同的灌溶液.
- 为了确定最有效的灌策略,用于涂抹层清除后准备.
主要方法:
- 180个提取的前被仪器仪表和堵塞.
- 准备了位空间,并根据灌剂 (盐水,EDTA,NaOCl,CHX,EDTA+NaOCl) 和灌技术 (CSI,PUI) 将牙分为12组.
- 通过使用通用测试机器,在冠状和顶点部分测试了推出键的强度.
主要成果:
- 冠状部分表现出比顶部部分更高的推出键强度.
- NaOCl + EDTA与PUI的组合产生了最高的结合强度 (12.39 ± 1.08 MPa).
- 与PUI结合的NaOCl+EDTA与单独的EDTA相比显示出显著更高的键强度,除了CSI的冠状区域.
结论:
- 内牙灌协议显著影响纤维后结合强度.
- 被动超声波灌 (PUI) 结合17%的EDTA+5.25%的NaOCl是一种有效的去除涂抹层和增强顶部区域的结合强度的方法.
- 优化灌对于成功的内牙后修复至关重要.
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