低化加热方法,激活技术和度对模拟内部吸收腔中有机组织去除的影响
Emek Bayındır1, Öznur Sarıyılmaz1, Rüya Sessiz2
1Çanakkale Onsekiz Mart University, Faculty of Dentistry, Department of Endodontics.
Journal of endodontics
|March 9, 2026
概括
XP-Endo Finisher有效地从模拟的内部再吸收腔中去除有机组织,优于其他方法. 外加热和较高的酸盐度改善了组织溶解,使用特定的灌技术.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 生物材料科学 生物材料科学
- 牙科研究 牙科研究
背景情况:
- 内部再吸收腔在内牙治疗中对完全去除有机组织提出了挑战.
- 低化 (NaOCl) 是一个关键的灌剂,但它的有效性可能受到各种因素的影响.
- 优化NaOCl的输送和激活对于有效的消毒和清洁至关重要.
研究的目的:
- 评估NaOCl加热方法,激活技术和度对从模拟的内部再吸收腔中去除有机组织的影响.
- 为了比较标准针灌,被动超声波灌和XP-Endo Finisher在清洁这些具有挑战性的空间中的有效性.
- 为了确定基于NaOCl的灌协议的最佳条件.
主要方法:
- 使用了198颗树脂牙,模拟内部再吸收腔充满牛肌肉组织.
- 标本根据NaOCl加热 (室温,内,外),度 (5.25%,2%) 和激活 (针,PUI,XP-Endo终结器) 被分为18组.
- 形束计算断层扫描 (CBCT) 评估灌和激活后的残留有机组织.
主要成果:
- 在所有测试条件下,XP-Endo Finisher表现出明显更好的有机组织去除比标准针灌更好.
- 被动超声波灌 (PUI) 优于针式灌,仅使用5.25%的NaOCl和内加热.
- 外道加热通常改善了针和PUI的组织去除;5.25%NaOCl比2%NaOCl更有效,尤其是PUI.
结论:
- XP-Endo Finisher是一种高效的灌激活系统,用于从内部再吸收腔中去除有机组织,无论NaOCl的温度或度如何.
- 在使用标准针或PUI时,对NaOCl的外热增强了其组织溶解能力.
- 较高的NaOCl度 (5.25%) 显示出更好的疗效,特别是与PUI结合使用时.
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