快速烧结对多层立方的光学特性和微观结构的影响
Engy Ibrahim Hassan Shohdy1, Ahmed Sabet2,3, Ashraf Hussien Sherif1
1Fixed Prosthodontics Department, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo, Egypt.
概括
快速烧结减少了超透明回复的半透明度和不透明度,但保持了临床上不可察觉的颜色变化. 微观结构分析显示,随着速度烧结,晶体大小下降.
科学领域:
- 牙科材料科学 牙科材料科学
- 陶工程 陶工程
- 生物材料是一种生物材料.
背景情况:
- 快速烧结为椅子边的牙科修复提供了时间效率.
- 它对的微观结构和光学特性的影响需要详细的研究.
研究的目的:
- 评估快速烧结对超透明多层立方的微观结构和光学特性的影响.
- 为了比较速度烧结与传统烧结方法.
主要方法:
- 超透光立方的样本经过了速度和常规烧结.
- 光学特性 (透光度,光度,色度,颜色差异) 通过光谱测量进行测量.
- 使用扫描电子显微镜分析了微观结构;进行了晶体分析.
主要成果:
- 速度烧结显著降低了半透明度和不透明度 (除了牙层).
- 染色度随着烧结速度的变化而变化,在较少的染色层下降,在更多的染色层上增加.
- 平均晶体大小通过快速烧结而减少,颜色变化在临床上是不可察觉的.
结论:
- 速度烧结改变了超透光的光学特性,减少了透光和不透明.
- 虽然发生了色彩变化,但与传统方法相比,快速烧结不会导致临床上明显的颜色差异.
- 减少的晶体大小表明与更快的烧结周期相关的微观结构变化.
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