通用色彩树脂复合材料表面粗度对颜色调整潜力的影响
Kana Hayashi1, Hiroyasu Kurokawa1, Makoto Saegusa1
1Department of Operative Dentistry, Nihon University School of Dentistry.
Dental materials journal
|July 17, 2023
概括
表面粗性对通用树脂复合材料的颜色匹配能力产生重大影响. 结构性彩色复合材料表现出比基于颜料的复合材料更稳定的颜色调整,突出显示了在牙科修复中表面完成的重要性.
科学领域:
- 牙科材料科学 牙科材料科学
- 恢复性牙科 恢复性牙科
- 颜色科学 颜色科学
背景情况:
- 实现精确的阴影匹配对于美观的牙修复至关重要.
- 通用树脂复合材料提供了简化的阴影选择,但它们的颜色调整潜力需要评估.
- 表面特征可以影响牙科材料的光学特性和感知颜色.
研究的目的:
- 调查表面粗度对两种类型的通用树脂复合材料颜色调整潜力的影响.
- 为了比较结构性彩色树脂复合材料 (Omnichroma,OC) 与使用颜料的通用阴影树脂复合材料 (Beautifil Unishade,BU) 的颜色匹配能力.
主要方法:
- 两个通用树脂复合材料 (OC和BU) 在人工牙腔中测试了它们的颜色调整潜力.
- 树脂复合材料表面使用#800-和#2000-grit SiC纸进行抛光,以创建不同的粗度级别.
- 进行了颜色测量,并使用单向ANOVA和Tukey后期测试分析了颜色差异 (ΔE*ab).
主要成果:
- 颜色差异 (ΔE*ab) 在OC的2.5-3.9和BU的1.8-8.7之间变化.
- 与Beautifil Unishade (BU) 相比,Omnichroma (OC) 在不同的表面粗性条件下表现出更稳定的颜色调整.
- 发现表面粗影响了测试的两种通用树脂复合材料的颜色调整潜力.
结论:
- 表面粗度是影响通用树脂复合材料颜色调整潜力的重要因素.
- 结构性彩色树脂复合材料 (如OC) 可能比传统的颜料复合材料提供更可预测的颜色匹配,特别是在表面完成方面.
- 优化表面抛光技术对于最大限度地提高树脂复合材料修复的美学效果至关重要.
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