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对实验性离子可化纳米复合材料玻璃离子体水泥的评估

Ioannis Tsolianos¹, Alexandros K Nikolaidis¹, Elisabeth A Koulaouzidou¹

¹Division of Dental Tissues' Pathology and Therapeutics (Basic Dental Sciences, Endodontology and Operative Dentistry), School of Dentistry, Aristotle University Thessaloniki, 541 24 Thessaloniki, Greece.

Nanomaterials (Basel, Switzerland)

|October 14, 2023

概括

修改的粘土纳米粒子显著增强玻璃离子体水泥 (GICs),一个常见的牙科材料. 这项研究表明,改善了机械强度和有利的离子释放,使GIC成为一个更有前途的修复选择.

科学领域:

牙科材料科学牙科材料科学
在牙科的纳米技术.
生物材料工程生物材料工程

背景情况:

玻璃离子体水泥 (GIC) 是广泛使用的牙科修复材料.
通过纳米粒子增强来改善GIC属性是一个活跃的研究领域.
粘土纳米粒子为GIC提供了作为强化剂的潜力.

研究的目的:

研究改性粘土 (Ca-clay) 纳米颗粒对GIC结构,物理化学和机械性能的影响.
为了评估Ca-粘土融入对GIC设置反应和离子释放的影响.
评估Ca-粘土纳米颗粒作为GIC中增强剂的潜力.

主要方法:

纳米复合材料制剂具有不同度的Ca-粘土.
使用扫描电子显微镜 (SEM) 和X射线衍射 (XRD) 进行表面表征.
通过弱化总反射里埃变换红外光谱法 (ATR-FTIR) 进行设置反应分析.
通过压缩测试进行机械性能评估.
使用诱导合等离子光学发射光谱法 (ICP-OES) 量化离子释放量.

主要成果:

用Ca-粘土增强的GIC显示出受控的离子释放 (5.06-9.91 ppm).
在较低的Ca-粘土负载下,GIC的设置反应基本上不受影响.
与对照组相比,3重%的Ca-粘土添加几乎使压力强度翻了一番 (68.97 MPa vs 33.65 MPa).

结论:

加入Ca-粘土纳米颗粒可以增强GIC的机械性能.
-粘土纳米粒子代表了开发先进的牙科修复材料的有希望的添加剂.
这项研究强调了Ca-clay修饰的GICs在改善临床性能方面的潜力.

关键词:

这是一种Ca-粘土纳米粒子.在X射线中,X射线的衍射效果是不同的.酸基反应反应释放的可以释放.压力强度的压力强度是什么玻璃离子体水泥的玻璃离子体这是一种蒙特莫里隆石 (Montmorillonite).纳米粘土纳米粘土是什么扫描电子显微镜扫描电子显微镜

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