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Updated: May 16, 2025
09:13
Experimental Multiscale Methodology for Predicting Material Fouling Resistance
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空气磨损与三化学涂层:对半透明的结合强度的影响
F H O Prochnow1, K R Weber1, C E E Rezende1
1School of Health Sciences, Graduate Program in Dentistry, Universidade Positivo, Curitiba , PR, Brasil.
概括
这项研究发现,3Y-TZP环与半透明类型相比,具有更高的结合强度. 三聚化学涂层增强了粘合,而热循环则减少了所有测试的石.
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
- 表面化学 表面化学
背景情况:
- 半透明的石越来越多地用于牙科修复.
- 优化树脂水泥和石之间的结合强度对于恢复寿命至关重要.
- 表面处理在实现持久债券方面发挥着关键作用.
研究的目的:
- 评估树脂水泥对三种半透明体 (3Y-PSZ,4Y-PSZ,5Y-PSZ) 和一个控制体 (3Y-TZP) 的微切割键强度.
- 为了比较空气磨损 (Al2O3) 和 tribochemical silica 涂层 (CoJet) 对结合强度的影响.
- 评估热循环对键强度的影响.
主要方法:
- 的样本经过了表面处理:Al2O3空气磨损或CoJet涂层.
- 应用了原料和粘合剂,随后进行了树脂水泥粘合.
- 微切割键强度在7天后或老化后 (30天,10,000个热周期) 进行了测试.
主要成果:
- 3Y-TZP的结合强度明显高于半透明石.
- 无论是Al2O3气磨处理还是CoJet处理,在7天 (13.47 ± 3.55 MPa) 后都产生了更高的结合强度.
- 所有样本都显示了粘合器的故障,热循环对键强度产生了负面影响.
结论:
- 烯酸类型显著影响微切割键强度,3Y-TZP表现最好.
- 三基化学涂层 (CoJet) 始终促进了更高的结合强度.
- 热循环损害了所有测试的环材料的结合强度,需要临床谨慎.
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