评估单色复合树脂中的颜色不匹配,用于质更换
Rafaella Mariana Fontes de Bragança1, Diana Leyva Del Rio2, Luiz Alves Oliveira-Neto3
1PhD Candidate, Division of Restorative and Prosthetic Dentistry, College of Dentistry, The Ohio State University, Columbus, OH.
The Journal of prosthetic dentistry
|July 6, 2024
概括
用于牙科修复的单色复合树脂显示出比预期更大的颜色不匹配,可能会影响美学结果. 他们的颜色匹配在某些情况下与负面对照相比较,与积极对照不同.
科学领域:
- 恢复性牙科 恢复性牙科
- 牙科材料科学 牙科材料科学
- 在假牙科的颜色科学.
背景情况:
- 阴影选择是恢复性牙科的一个关键挑战.
- 单色复合树脂提供了潜在的简化,但其颜色匹配的准确性是不确定的.
研究的目的:
- 为了评估单色复合树脂与阴影树脂之间的颜色不匹配.
- 评估背景阴影,周围阴影,面膜厚度和近距离对颜色不匹配的影响.
主要方法:
- 两层样本 (牙/乳) 准备了不同的背景/周围阴影 (OA1/A1,OA3/A3).
- 单色 (Omnichroma,Admira Fusion x-tra) 和传统的阴影复合材料被放置在质中心.
- 颜色差异 (ΔE) 被测量在不同的距离,并使用ANOVA进行分析.
主要成果:
- 背景阴影,中心阴影,距离和厚度显著影响了颜色不匹配 (P<.05).
- 单色树脂的颜色不匹配与OA1/A1背景的阳性和阴性对照相似.
- 对于OA3/A3背景,单色树脂与负对照没有显著差异 (P>.05).
- 乳厚度没有影响单色树脂的颜色不匹配.
结论:
- 单色复合树脂在用于质更换时,与正对照相比,显示出更高的颜色不匹配.
- 在某些临床场景中,单色树脂的美学可预测性可能会受到损害.
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