新型单色通用复合树脂的颜色稳定性和表面粗性暴露在染色溶液中:一个体外研究
Malin Janson1, Anja Liebermann2, Christoph Matthias Schoppmeier3
1Department of Prosthetic Dentistry, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Str. 32, 50931, Cologne, Germany. malin.janson@uk-koeln.de.
The Saudi dental journal
|July 15, 2025
概括
单色牙复合材料在接触红酒,咖啡和抹茶等常见染色剂时显示出不同的颜色稳定性. 表面粗性没有影响它们易变色的易感性.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料研究 生物材料研究
- 恢复性牙科 恢复性牙科
背景情况:
- 单色通用复合材料提供了简化的临床应用.
- 了解它们与常见饮料的颜色稳定性对于长期美学至关重要.
- 之前的研究表明,不同类型的复合材料的耐性存在差异.
研究的目的:
- 评估三种新型单色通用复合材料的色彩稳定性和表面粗性.
- 为了比较它们对常见染色溶液 (人造唾液,咖啡,红酒,抹茶) 的抗性.
- 为了确定复合材料类型,染色剂和暴露时间对变色的影响.
主要方法:
- 从三个通用复合材料制造120个标本 (超越通用复合材料,生态一个,Clearfil Majesty ES-2 Universal).
- 标本暴露在37°C的四种染色溶液中,持续时间不同.
- 通过3D激光扫描显微镜评估使用eLAB系统的颜色变化 (ΔE00) 和表面粗度 (Sa, Sz).
- 使用线性混合模型和Tukey后期测试 (p < 0.05) 的统计分析.
主要成果:
- 复合材料类型,染色溶液和暴露时间显著影响了变色 (p < 0.001).
- 红葡萄酒引起了最显著的颜色变化,特别是在生态地带一 (ΔE00 = 38.9 ± 1.56).
- 咖啡和抹茶导致类似程度的变色.
- 超越通用复合材料表现出表面粗度的最高增加,但这与颜色变化无关.
结论:
- 单色调通用复合材料的色彩稳定性取决于它们的树脂基质组成和对着色剂的暴露.
- 与微混合复合材料相比,三模或纳米混合复合材料表现出优越的色彩稳定性.
- 发现表面粗度是一个独立的因素,并没有影响变色程度.
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