四种不同的Gutta-percha技术在使用立体显微镜填充实验性内部吸附性损伤的有效性:一个体外研究
Vinaya P Ingale1, Abhijit B Jadhav2, Seema S Patil3
1Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth Deemed to be University Dental College and Hospital, Pune, Maharashtra, India, Phone: +91 9967560529,
The journal of contemporary dental practice
|March 13, 2026
概括
热可塑化的gutta-percha (GP) 最好填补内部吸收缺陷,显示最小的空隙. 其他GP技术,如冷侧凝结 (CLC) 和热侧凝结 (WLC) 的效果较差.
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
背景情况:
- 内部吸收缺陷在根管治疗中带来了挑战.
- 有效的堵塞对于管理这些缺陷的长期成功至关重要.
研究的目的:
- 为了比较四种Gutta-percha (GP) 堵塞技术在填补模拟的内部吸收缺陷方面的有效性.
- 评估冷侧凝结 (CLC),温暖侧凝结 (WLC),热塑化GP和热力学压缩 (TMC).
主要方法:
- 使用了80个提取的上中央切口.
- 根据封闭技术,样品被分为四组 (n=20).
- 立体显微镜分析评估了GP填充,密封体存在和空隙;统计分析包括ANOVA和Tukey的后期测试.
主要成果:
- 热塑化GP实现了最高的GP百分比 (89.4%) 和最少的空隙 (2.07%).
- 热力学压缩 (TMC) 显示了73.71%的GP和7.64%的空隙.
- 热侧凝结 (WLC) 产生了51.52%的GP和29.27%的空隙,而CLC的GP填充率最低 (34.57%) 和大多数空隙 (42.34%).
- 在所有组中都观察到显著差异 (p < 0.01).
结论:
- 热塑化GP是堵塞内部吸收缺陷的最有效的技术.
- 与CLC,WLC和TMC相比,这种技术提供了更好的密封和最小的空隙.
- 优化阻塞对于管理内部吸收缺陷和改善临床结果至关重要.
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