在椅子边调整后,对不同类型的石材进行表面粗度和光学特征的评估
Awab Abdulmajeed1,2, Taiseer A Sulaiman3, Abdulhaq A Suliman4
1Department of Prosthetic Dentistry and Stomatognathic Physiology, Institute of Dentistry, University of Turku, Turku, Finland.
概括
用完工抛光器调整石保持了表面性能,但粗钻仪器增加了粗性,减少了光泽. 尽量减少椅子边的调整,并遵循合金的适当协议.
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
- 表面的表征表征 表面的表征
背景情况:
- 关于椅子边调整如何影响石表面粗度和光学特性,数据有限.
- 了解这些影响对于保持石修复的美学和寿命至关重要.
研究的目的:
- 研究模拟的椅子侧调整对三种不同类型的部分稳定 (PSZ) 表面粗度和光学特征的影响.
主要方法:
- 三个伊特里亚稳定 (3Y-PSZ,4Y-PSZ,5Y-PSZ) 样本没有进行调整 (NA),抛光调整 (APol) 或粗钻调整 (ADia).
- 使用原子力显微镜 (AFM) 测量了表面粗度.
- 包括表面光泽度 (SG),半透明度参数 (TP) 和对比率 (CR) 在内的光学性能使用光谱仪量化.
主要成果:
- 粗钻调整 (ADia) 显著增加了所有类型的表面粗度和降低了表面光泽度 (SG).
- 抛光调整 (APol) 并没有显著改变表面粗度或光学特性.
- 半透明度参数 (TP) 和对比率 (CR) 仍然不受任何调整方法的影响.
结论:
- 适当的调整使用一个序列的和抛光器保留了的表面粗度和光学质量.
- 使用粗钻仪器进行调整会对石表面产生负面影响,应避免使用.
- 椅子上的调整可以使表面粗,改变光泽;尽量减少调整,并遵守既定的协议.
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