陶材料类型和水泥色调对二酸盐陶 Veneers 的半透明度的影响
Ali Dhahee Malallah1, Nadia H Hasan1, Mohammed Hazim Qasim1
1Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq.
International journal of dentistry
|November 25, 2024
概括
选择合适的陶材料和树脂水泥色调对于最大限度地减少层 Veneers 的颜色变化至关重要. 与IPS e.max Press.相比,IPS e.max CAD和特定的水泥色调,如乳明亮,提供了优越的色彩稳定性.
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
- 陶修复 陶修复 陶修复
背景情况:
- 层状 Veneers 是一个受欢迎的美学牙科修复.
- 层面板的色彩稳定性对于长期的美学成功至关重要.
- 了解影响颜色变化的因素对于临床应用至关重要.
研究的目的:
- 为了评估两种二氧化陶材料 (IPS e.max CAD和IPS e.max Press) 和四种树脂水泥色调对层 Veneers 的颜色变化 (ΔE) 的影响.
- 为了确定哪些材料和水泥阴影组合提供最佳的色彩稳定性.
主要方法:
- 40个提取的人类上第一个前被准备用于层状 Veneers.
- IPS e.max CAD和IPS e.max压样品是使用光学扫描和数字设计制造的.
- 用四种不同的树脂水泥色调 (A1,半透明,牛奶亮,B1) 凝固了板样本.
- 颜色变化 (ΔE) 在水泥化前后使用精密色度计进行测量.
主要成果:
- 在所有测试的水泥色调中,在IPS e.max CAD和IPS e.max压之间观察到颜色变化的显著差异.
- 使用牛奶般明亮的阴影 (8.84 ± 0.63931) 的IPS e.max Press的颜色变化最高.
- 观察到IPS e.max CAD使用牛奶般明亮的阴影 (0.5 ± 0.16371) 的颜色变化最小.
- 对于这两种陶类型,B1水泥色调导致了最大的颜色变化.
结论:
- 陶材料类型和树脂水泥色调都对二氧化层 Veneers 的色彩稳定性产生重大影响.
- IPS e.max CAD通常表现出比 IPS e.max Press.更好的色彩稳定性.
- 精心选择陶材料和树脂水泥阴影是必要的,以最大限度地减少颜色变化,并确保可预测的审美效果在层面板修复.
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