不同的结协议对纤维增强CAD/CAM块的结合强度的影响
Irem Buyukates1, Sufyan Garoushi2, Pekka K Vallittu2,3,4
1Department of Prosthetic Dentistry, Faculty of Dentistry, Baskent University, 06490 Ankara, Turkey.
Polymers
|January 28, 2026
概括
与Cerasmart 270相比,实验性短纤维增强CAD/CAM复合材料 (SFRC-CAD) 在使用everX Flow和通用粘合剂粘合时表现出优越的粘合强度. 这表明everX Flow是CAD/CAM修复的可行接材料.
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:
- 在牙科修复中,CAD/CAM复合材料被广泛使用.
- 评估接材料与CAD/CAM复合材料的结合强度对于恢复寿命至关重要.
- 水热老化是影响牙粘合剂结合物的耐用性的一个关键因素.
研究的目的:
- 为了比较实验性短纤维增强CAD/CAM复合材料 (SFRC-CAD) 和商用复合材料 (Cerasmart 270) 的剪接强度 (SBS).
- 评估不同光树脂复合材料 (everX Flow,G-CEM One) 和粘合协议对SBS的影响.
- 评估水热衰老对这些材料的结合强度的影响.
主要方法:
- 准备了SFRC-CAD和Cerasmart 270的磁盘,并对其进行了特定的表面处理.
- 使用everX Flow或G-CEM One,带或不带通用粘合剂,在直接或间接固化下进行了化.
- 切割结合强度是在24小时储存水和经过热水老化后进行测量.
- 分析了故障模式,以了解债券行为.
主要成果:
- 在 everX Flow 和 G-CEM One 之间没有发现SBS的显著差异,不管使用哪种结合剂.
- 使用everX Flow和通用粘合剂粘合的SFRC-CAD显示出明显高于Cerasmart 270的SBS.
- 在大多数测试组中,水热衰老并没有显著影响SBS.
- 故障分析显示,主要是粘合和混合故障,在SFRC-CAD内没有凝聚性故障.
结论:
- 实验中的SFRC-CAD显示了与特定金材料具有有前途的结合强度特性.
- everX Flow被证明是有效的接材料,适合CAD/CAM间接修复,特别是当与通用粘合剂相结合时.
- 这些发现支持SFRC-CAD在需要持久间接恢复的临床应用中的潜在使用.
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