可注射,可流动和粘贴复合树脂的柔性强度和磨损的比较
Hadi Rajabi1, Michael Denny1, Kostas Karagiannopoulos1
1Department of Prosthodontics, University College London Eastman Dental Institute, Rockefeller Building, 21 University Street, London WC1E 6DE, UK.
Materials (Basel, Switzerland)
|October 16, 2024
概括
与传统和粘贴复合材料相比,高度填充的可流动复合树脂具有优越的耐磨性和屈曲强度. 这些先进的材料显示出在苛刻的密闭,承载性牙科应用中使用的希望.
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:
- 牙科复合材料是广泛使用的修复材料.
- 评估磨损和屈曲强度对于临床寿命至关重要.
- 研究新的复合剂配方对于改善牙科治疗是必不可少的.
研究的目的:
- 为了比较两个高度填充的可浮性复合材料与常规的可浮性复合材料和糊状复合材料的磨损和屈曲强度.
- 评估高度填充的可流动复合材料对于封闭式承载区域的适用性.
主要方法:
- 测试了四种复合材料类型:两种高度填充的可流体 (G-aenial通用注射,Beautifil Plus F00),一种糊 (Empress Direct) 和一种常规的可流体 (Tetric EvoFlow).
- 两体磨损测试 (200,000 个周期) 用扫描电子显微镜分析.
- 三点曲试验用于曲强度.
- 使用ANOVA和克鲁斯卡尔-瓦利斯试验进行统计分析.
主要成果:
- 高填充的可流动复合材料 (G-aenial通用注射,Beautifil Plus F00) 的磨损体积损失明显低于Empress Direct和Tetric EvoFlow.
- 这两种高度填充的可流动复合材料与Empress Direct和Tetric EvoFlow相比,在统计学上表现出更高的屈曲强度.
- 在两种高度填充的可流动复合材料之间,没有发现磨损或屈曲强度的显著差异.
结论:
- 含有纳米填充剂颗粒的高度填充的可流动复合树脂提供优越的耐磨性和屈曲强度.
- 这些材料可能适用于牙科的密闭式承载应用.
- 纳米填充的高填充的可流动复合材料代表了恢复性牙科材料的进步.
关键词:
复合树脂糊是一种复合树脂糊.牙科复合树脂复合剂 牙科复合树脂牙科材料 牙科材料柔性强度是指柔性强度是指柔性的强度.流动性树脂是一种流动性树脂.高度填充的可流动树脂.可以注射的树脂.机械性能 机械性能 机械性能聚合物是一种聚合物.穿着穿着穿着穿着穿着穿着穿着更多相关视频
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