不同的修饰和抛光工艺对Ormocer和甲烯酸基复合材料颜色稳定性的影响
Amira El-Najjar1, Khaled Nour2, Aya Samaha2
1Operative Dentistry Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt. dr.amira@dent.asu.edu.eg.
BMC oral health
|October 31, 2025
概括
表面条件和抛光方法显著影响牙复合材料的颜色稳定性. 在固化和抛光之前的甘油涂层提高了复合材料修复的耐性.
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
- 生物材料是一种生物材料.
背景情况:
- 复合材料的修复美学受到表面特征和抛光的影响.
- 表面状况和抛光技术影响牙科复合材料的耐性.
- 了解这些因素对于保持复合材料修复的长期外观至关重要.
研究的目的:
- 研究表面状况和抛光技术对两种复合修复材料颜色稳定的影响.
- 评估不同的表面处理和抛光方案如何影响复合材料对染色的易感性.
- 确定最佳方法,以保持复合材料修复的颜色完整性.
主要方法:
- 准备了150个复合光盘 (基于ormocer的Admira Fusion,基于甲基酸盐的Grandio).
- 根据表面状况 (矩阵,空气,甘油) 和抛光 (没有,一步,两步,磨料+一步,磨料+两步) 变化的组.
- 在咖啡溶液中3个月后通过光谱测量测量了颜色变化 (ΔE),并使用ANOVA和Tukey HSD测试进行分析.
主要成果:
- 复合材料的类型,表面状况和抛光技术显著影响了颜色变化 (ΔE,P < 0.001).
- 在两种复合材料用磨料和两步技术抛光时,观察到最低的 ΔE 值.
- 在空气中经过光固化而没有抛光的Grandio中记录了最高的 ΔE.
结论:
- 在光固化和抛光之前应用的甘油涂层显著提高了牙复合材料的色彩稳定性.
- 优化的抛光技术,特别是那些涉及磨砂剂和两步过程的抛光技术,尽量减少颜色变化.
- 这些发现为临床实践提供了有价值的见解,旨在改善复合修复的寿命和美学效果.
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