PDF(Pubmed)
Abstract：
BACKGROUND: In dentistry, glass-ionomer cements (GICs) are extensively used for a range of applications. The unique properties of GIC include fluoride ion release and recharge, chemical bonding to the tooth\'s hard tissues, biocompatibility, a thermal expansion coefficient like that of enamel and dentin, and acceptable aesthetics. Their high solubility and poor mechanical qualities are among their limitations. E-glass fibers are generally utilized to reinforce the polymer matrix and are identified by their higher silica content.
OBJECTIVE: The purpose of the study was to assess the impact of adding (10 wt% and 20 wt%) silane-treated E-glass fibers to traditional GIC on its mechanical properties (compressive strength, flexural strength, and surface hardness) and solubility.
METHODS: The characterization of the E-glass fiber fillers was achieved by XRF, SEM, and PSD. The specimens were prepared by adding the E-glass fiber fillers to the traditional GIC at 10% and 20% by weight, forming two innovative groups, and compared with the unmodified GIC (control group). The physical properties (film thickness and initial setting time) were examined to confirm operability after mixing. The evaluation of the reinforced GIC was performed by assessing the compressive strength, flexural strength, hardness, and solubility (n = 10 specimens per test). A one-way ANOVA and Tukey tests were performed for statistical analysis (p ≤ 0.05).
RESULTS: The traditional GIC showed the least compressive strength, flexural strength, hardness, and highest solubility. While the GIC reinforced with 20 wt% E-glass fibers showed the highest compressive strength, flexural strength, hardness, and least solubility. Meanwhile, GIC reinforced with 10 wt% showed intermediate results (P ≤ 0.05).
CONCLUSIONS: Using 20 wt% E-glass fiber as a filler with the traditional GIC provides a strengthening effect and reduced solubility.
OBJECTIVE: The purpose of the study was to assess the impact of adding (10 wt% and 20 wt%) silane-treated E-glass fibers to traditional GIC on its mechanical properties (compressive strength, flexural strength, and surface hardness) and solubility.
METHODS: The characterization of the E-glass fiber fillers was achieved by XRF, SEM, and PSD. The specimens were prepared by adding the E-glass fiber fillers to the traditional GIC at 10% and 20% by weight, forming two innovative groups, and compared with the unmodified GIC (control group). The physical properties (film thickness and initial setting time) were examined to confirm operability after mixing. The evaluation of the reinforced GIC was performed by assessing the compressive strength, flexural strength, hardness, and solubility (n = 10 specimens per test). A one-way ANOVA and Tukey tests were performed for statistical analysis (p ≤ 0.05).
RESULTS: The traditional GIC showed the least compressive strength, flexural strength, hardness, and highest solubility. While the GIC reinforced with 20 wt% E-glass fibers showed the highest compressive strength, flexural strength, hardness, and least solubility. Meanwhile, GIC reinforced with 10 wt% showed intermediate results (P ≤ 0.05).
CONCLUSIONS: Using 20 wt% E-glass fiber as a filler with the traditional GIC provides a strengthening effect and reduced solubility.
摘要：
背景：在牙科，玻璃离聚物水泥（GIC）广泛用于一系列应用。GIC的独特性质包括氟离子释放和再充电，化学键合到牙齿的硬组织，生物相容性，像牙釉质和牙本质一样的热膨胀系数，和可接受的美学。它们的高溶解度和差的机械质量是它们的限制之一。E-玻璃纤维通常用于增强聚合物基质,并通过其较高的二氧化硅含量来识别。
目的：研究的目的是评估在传统GIC中添加（10wt％和20wt％）硅烷处理的E-玻璃纤维对其机械性能（抗压强度，抗弯强度,和表面硬度)和溶解度。
方法：通过XRF实现E-玻璃纤维填料的表征，SEM,PSD。通过将E-玻璃纤维填料以按重量计10%和20%添加到传统GIC中来制备样品,形成两个创新群体，并与未修饰的GIC（对照组）进行比较。检查物理性质(膜厚度和初始凝固时间)以确认混合后的可操作性。通过评估抗压强度来进行增强GIC的评估，抗弯强度,硬度,和溶解度（每个测试n=10个样品）。进行单因素方差分析和Tukey检验进行统计分析(p≤0.05)。
结果：传统的GIC显示出最小的抗压强度，抗弯强度,硬度,和最高的溶解度。虽然用20wt％E玻璃纤维增强的GIC显示出最高的抗压强度，抗弯强度,硬度,和最小的溶解度。同时,用10wt％增强的GIC显示出中等结果（P≤0.05）。
结论：使用20wt％的E-玻璃纤维作为传统GIC的填料提供了增强作用和降低的溶解度。
目的：研究的目的是评估在传统GIC中添加（10wt％和20wt％）硅烷处理的E-玻璃纤维对其机械性能（抗压强度，抗弯强度,和表面硬度)和溶解度。
方法：通过XRF实现E-玻璃纤维填料的表征，SEM,PSD。通过将E-玻璃纤维填料以按重量计10%和20%添加到传统GIC中来制备样品,形成两个创新群体，并与未修饰的GIC（对照组）进行比较。检查物理性质(膜厚度和初始凝固时间)以确认混合后的可操作性。通过评估抗压强度来进行增强GIC的评估，抗弯强度,硬度,和溶解度（每个测试n=10个样品）。进行单因素方差分析和Tukey检验进行统计分析(p≤0.05)。
结果：传统的GIC显示出最小的抗压强度，抗弯强度,硬度,和最高的溶解度。虽然用20wt％E玻璃纤维增强的GIC显示出最高的抗压强度，抗弯强度,硬度,和最小的溶解度。同时,用10wt％增强的GIC显示出中等结果（P≤0.05）。
结论：使用20wt％的E-玻璃纤维作为传统GIC的填料提供了增强作用和降低的溶解度。
