评估表面粗度,颜色和粘合效率:自粘与自粘. 传统的浮性树脂通常是浮性树脂
Caroline de Farias Charamba Leal1, Beatriz Barros Viana2, Samille Biasi Miranda1
1Departament of Dental Materials, Faculty of Dentistry, University of Pernambuco, Recife 50100-130, PE, Brazil.
Polymers
|September 28, 2024
概括
这项研究评估了自粘浮性树脂,发现表面粗度增加,但在刷后颜色稳定. 然而,微拉伸键强度低于传统方法.
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:
- 自粘树脂流体 (SARF) 在修复牙科中提供了简化应用.
- 评估它们的表面特性和键强度对于临床寿命至关重要.
- 在模拟的临床条件下了解材料的行为是必不可少的.
研究的目的:
- 在模拟机械刷后分析SARF的表面粗度 (Ra) 和色彩稳定性 (ΔEab, ΔE00).
- 为了评估SARF与牙的微拉伸键强度 (μTBS).
- 为了比较Constic,Yflow AS和Tetric N流 (TNF) 的性能.
主要方法:
- 在实验室评估Ra和色彩稳定性在模拟刷毛前后.
- 在恢复的牙上进行微拉伸键强度测试.
- 对表面特性和结合强度数据的统计分析.
主要成果:
- 在Ra中发现了显著的差异;Constic的Ra值最高 (0.702μm),Yflow AS的值最低 (0.184μm).
- 在各组中没有观察到显著的颜色变化 (p > 0.05).
- 平均μTBS值:Constic (10.649 MPa),Yflow AS (8.170 MPa),TNF (33.669 MPa),其中SARF显示的强度低于TNF.
结论:
- 所有测试的复合树脂都显示Ra增加和可比的色彩稳定性磨损后.
- 与传统的树脂粘合系统相比,自我粘合的流动树脂显示出较低的微拉伸键强度.
- 需要对SARF配方进行进一步的研究,以改善牙粘附.
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