不同的植入物支柱材料对半透明单体石皇冠光学性能的影响
Nisha Patel1, Geoffrey A Thompson2, Carl Drago3
1Private Practice, Houston, Texas, USA.
概括
半透明单体石冠的最终颜色取决于支柱材料和石品牌. 柱提供优越的色彩稳定性,而金属柱,特别是粉红色,可以在牙科修复中引起明显的阴影变化.
科学领域:
- 牙科材料科学 牙科材料科学
- 审美牙科 审美牙科
- 生物材料是一种生物材料.
背景情况:
- 半透明的单质石越来越多地用于牙科冠.
- 有关底层支柱颜色如何影响这些修复的最终美学存在担忧.
- 关于与传统陶相比,现代单体石的支柱效应的数据有限.
研究的目的:
- 调查不同支柱材料和石品牌对半透明单体石冠的颜色结果的影响.
- 在各种支柱条件下量化颜色差异 (ΔE00).
主要方法:
- 制造了80个A2色的单立体石皇冠 (四个品牌).
- 皇冠被结在五种支柱类型上:,金色,粉红色,,以及牙阴影的控制.
- 使用光谱仪进行了颜色测量,并分析了 ΔE00 值.
主要成果:
- 支柱材料和石品牌都显著影响了颜色差异 (p < 0.001).
- 的支柱导致颜色差异最小 (ΔE00 = 0.77),低于可感知度值.
- 金属支柱,特别是粉红色的,导致了不可接受的颜色变化.
结论:
- 支柱材料和石品牌是通过半透明的单体石冠实现可预测的颜色结果的关键因素.
- 建议使用基柱子来最大限度地减少颜色偏差并增强美学效果.
- 临床医生应该意识到在使用金属支柱时,临床上可感知的阴影改变的可能性.
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