使用各种空气磨损颗粒评估短纤维复合材料对牙的粘合强度
Ece Ucar Başol1, Isil Cekic-Nagas1, Sufyan Garoushi2
1Gazi University, Faculty of Dentistry, Department of Prosthodontics, Ankara, Turkey.
Journal of prosthodontic research
|January 8, 2025
概括
用各种颗粒对空气磨损并没有提高短纤维增强树脂复合材料 (SFC) 和牙之间的结合强度. 没有空气磨损的对照组在研究中显示了最高的结合强度值.
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
- 粘合式牙科 粘合式牙科
背景情况:
- 优化树脂复合材料和牙之间的结合强度对于持久的牙修复至关重要.
- 空气磨损是一种在牙科中使用的表面处理技术,但它对短纤维增强复合材料 (SFC) 与牙的结合强度的影响需要进一步研究.
研究的目的:
- 为了评估不同磨料颗粒对SFC和牙之间的剪接强度 (SBS) 的空气磨损的影响.
- 为了比较SFC与牙的结合强度,有和没有酸预蚀刻,然后是空气磨损.
主要方法:
- 120个人的牙被分为12组,包括酸蚀刻,五种颗粒类型的空气磨损和两部分粘合剂和SFC的应用.
- 剪接强度 (SBS) 测试使用通用测试机进行.
- 在模拟体液 (SBF) 中储存后,使用扫描电子显微镜 (SEM) 检查了空气损伤牙的表面形态.
主要成果:
- 在没有经历空气磨损的对照组 (18.9 MPa) 中观察到最高的SBS.
- 使用不同颗粒的空气磨损显著影响了SFC到牙的SBS (P <0.05).
- 与Cojet组相比,使用喷射沙而不进行预蚀刻的空气磨损显示出显著的差异 (P < 0.05).
结论:
- 使用各种颗粒的空气磨损并没有改善SFC和牙之间的结合强度.
- 这些发现表明,在这种特定的临床应用中,空气磨损可能不是增强键强度的有益预处理.
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