不同的Dentin表面清洁协议对双固化树脂水泥在临时凝固后的结合强度的影响
Vichakorn Vongtavatchai1, Boondarick Niyatiwatchanchai1, Murali Srinivasan2
1Department of Operative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
European journal of dentistry
|March 12, 2025
概括
使用二碳酸空气抛光或基于MDP的清洁剂的有效清洁方案,在临时凝固后恢复了双固化树脂水泥粘合强度. 单纯的石是不够的,导致债券强度降低.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 恢复性牙科 恢复性牙科
背景情况:
- 暂时去除水泥对于持久的树脂水泥结合至关重要.
- 清洁不足可能会损害直接和间接修复的完整性.
- 优化清洁方案可以提高长期的临床成功.
研究的目的:
- 评估不同清洁方法在临时凝固后对牙结合强度的有效性.
- 为了比较双固化树脂水泥的结合强度,遵循各种临时固化后清洁协议.
- 确定最佳的清洁策略,以最大限度地提高树脂-牙结合的耐用性.
主要方法:
- 人的第三牙被切断,被临时水泥污染,并使用石,石+二碳酸空气抛光或石+MDP基清洁剂进行清洁.
- 对照组:新鲜的,未被污染的牙.
- 测试了剪接强度,并使用SEM和EDS分析了表面形态.
主要成果:
- 在各组之间观察到债券强度的显著差异 (p < 0.001).
- 单单是石抛光的结果是,与对照组,二碳酸和MDP组相比,键强度显著降低 (p < 0.001).
- 碳酸空气抛光和基于MDP的清洁剂恢复了与新鲜牙相比的结合强度.
结论:
- 单纯的石抛光不足以完全暂时清除水泥,从而损害了树脂水泥的结合强度.
- 将石与二碳酸空气抛光或MDP清洁剂相结合,可以有效地去除剩余的水泥.
- 这些增强的清洁协议将键强度恢复到与未受污染的牙相似的水平,确保恢复寿命.
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