通用粘合剂系统对质的粘合性能 - - 酸性成分的影响
João Carlos Silva do Nascimento Foly1, Murillo Weissheimer1, Cristiane Falcão Gaspar1
1Graduate Program in Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Rua Ramiro Barcelos, Porto Alegre 2492, Brazil.
概括
这项研究评估了通用粘合剂,发现了质粘合的显著差异. OptiBond Universal和Tetric N-Bond Universal表现出最佳性能,为牙科应用提供可靠的牙粘附.
科学领域:
- 牙科材料科学 牙科材料科学
- 粘合式牙科 粘合式牙科
- 表面化学 表面化学
背景情况:
- 通用粘合剂提供了简化的牙科程序.
- 了解它们与质的相互作用对于结合耐用性至关重要.
- 酸性成分的变化可能会影响性能.
研究的目的:
- 评估通用粘合剂对质的自我蚀刻粘合潜力.
- 分析不同酸性成分对可湿性,表面地形和结合强度的影响.
- 为了将粘合性能与微剪切粘合强度 (μSBS) 与质相关联.
主要方法:
- 八种通用粘合剂在牛切肢上进行了测试.
- 评估了湿透性 (接触角度),表面地形 (剖面测量) 和无机元素去除 (EDX).
- 通过韦布尔分析确定微剪断键强度 (μSBS) 和分析可靠性.
主要成果:
- 观察到湿透性和面膜去矿化 (Ca和P减少) 的显著差异.
- 格卢玛邦德环球显示了最低的湿度和最高的去矿化.
- OptiBond Universal和Tetric N-Bond Universal表现出最高的μSBS和粘合可靠性. 这是一个很好的例子.
结论:
- 通用粘合剂在面膜相互作用和粘合方面表现出相当大的变异性.
- 含有GPDM (OptiBond Universal) 和10-MDP (Tetric N-Bond Universal) 的粘合剂表现出优异的粘合性能.它们的粘合性能更高.
- 结果指导临床医生在选择最佳的通用粘合剂,以在自蚀刻程序中可靠地粘合质.
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