在不同表面前处理后,对非癌性病变中的微拉伸键强度进行比较评估
Jayaraj Mohan Dhas1, Sihivahanan Dhanasekaran1, Vijay Venkatesh1
1Conservative Dentistry and Endodontics, SRM (Sri Ramaswamy Memorial) Kattankulathur Dental College, Chennai, IND.
Cureus
|October 24, 2024
概括
表面预处理显著提高了非癌性宫病变 (NCCLs) 的牙科修复的粘合强度. 酸与Tetric N-Bond Universal相结合,产生了最高的微拉伸键强度,优于其他测试方法.
科学领域:
- 牙科材料科学 牙科材料科学
- 恢复性牙科 恢复性牙科
- 生物材料工程 生物材料工程
背景情况:
- 非性宫病变 (NCCLs) 是需要保守修复的牙缺陷.
- 评估表面预处理对于优化恢复寿命至关重要.
- 微拉伸键强度是评估修复材料性能的一个关键指标.
研究的目的:
- 为了比较使用不同的表面预处理方法在NCCL上的牙科修复的微拉伸键强度.
- 为了评估正酸和酸的疗效,其次是EDTA,作为预处理.
- 为了评估各种通用结合剂实现的债券强度.
主要方法:
- 使用了66个具有人工NCCL的人类前.
- 两个预处理组:37%的酸+EDTA与10%的酸+EDTA.
- 应用了三种债券代理 (3MTM单一债券TM,Prime & Bond通用,Tetric N-Bond通用).
- 使用通用测试机器测量了微拉伸键强度.
主要成果:
- 在预处理组和粘合剂之间观察到微拉力键强度的统计学上显著差异.
- 37%的正酸和Tetric N-Bond Universal的组合产生了最高的结合强度.
- 酸预处理显示,3M ESPE和Tetric N-Bond Universal之间的债券强度相似,与Prime Bond显著不同.
结论:
- 表面预处理显著提高了NCCL恢复的粘合强度.
- 预处理和粘合剂的选择极大地影响了修复的成功.
- 未来的研究应该包括SEM分析和长期失败评估.
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