临时水泥清洗方法对树脂-丁丁结合强度的影响,在用不同的粘合系统立即密封丁丁后
Zeynep Aydin1, Cemile Kedici Alp1, Osman F Aydin2
1Department of Restorative Dentistry, Faculty of Dentistry, Gazi University, Emek, Ankara 06490, Türkiye.
Journal of functional biomaterials
|February 26, 2026
概括
即时牙密封 (IDS) 提高了树脂-牙结合强度,但临时水泥污染显著降低了它. 目前的清洁方法无法完全恢复损坏的结合强度,强调污染预防.
科学领域:
- 牙科材料科学 牙科材料科学
- 粘合式牙科 粘合式牙科
- 恢复性牙科 恢复性牙科
背景情况:
- 即时牙密封 (IDS) 是一种提高树脂水泥与牙的结合强度的技术.
- 在间接修复过程中使用临时水泥,它们的污染可能会损害最终的结合.
- 了解IDS后临时水泥去除方法的有效性对于临床成功至关重要.
研究的目的:
- 评估不同临时化水泥去除技术对树脂水泥与牙的剪接强度 (SBS) 的影响.
- 通过两种不同的粘合系统,评估直接牙密封 (IDS) 后的清洁方法的有效性.
- 调查临时水泥污染和随后的清洁对树脂-丁丁粘合物的影响.
主要方法:
- 用于使用OptiBond FL或G2-Bond或没有IDS的168个人类牙进行IDS.
- 施加了临时水泥,然后用手动缩放器,Al2O3空气磨损或Katana清洁剂进行清洁.
- 切割键强度 (SBS) 在24小时的水储存后进行了测试.
- 扫描电子显微镜 (SEM) 评估了表面形态.
主要成果:
- 在未受污染的标本中,IDS显著增加了SBS;G2-Bond显示的值高于没有IDS.
- 暂时的水泥污染显著减少了SBS,无论清洗方法如何.
- 没有一项经过测试的清洁方案能够完全恢复因污染而受到损害的结合强度.
- 在SEM中,即使在宏观清洁的样本中,也发现了清洁后的剩余水泥和表面变化.
结论:
- 当避免污染时,立即的牙密封增强了树脂-牙结合.
- 目前的机械和化学清洗方法不足以完全恢复由于临时水泥污染而失去的结合强度.
- 在间接修复过程中,防止污染和维护IDS层的完整性至关重要.
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