用添加剂制造的颜色分级临时 Veneer 的组成控制
Imam Akbar Sutejo1, Sinuo Zhang1, Chang Woo Gal2
1Korea Institute of Materials Science (KIMS), Changwon, Republic of Korea,; University of Science and Technology (UST), Daejeon, Republic of Korea.
概括
这项研究开发了一种复合树脂,用于定制的临时贴面,优化颜色和机械性能,以实现自然美学. 这些发现为制造患者特定的牙科修复提供了一份指南.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 开发特定于患者的临时面膜需要精确控制复合树脂成分,以获得美学和机械完整性.
- 目前的临时面板制造方法在实现自然色调分级和长期稳定性方面经常面临挑战.
研究的目的:
- 设计和评估患者特定的复合树脂配方,颜色分级的临时贴面.
- 调查酸填充剂,二氧化颜料和光启动器对复合材料颜色和机械性能的影响.
- 为制造美观和功能性的临时牙贴片建立一个组成指南.
主要方法:
- 复合树脂是使用添加剂制造与受控的紫外线暴露和后固化来制造的.
- 分析了Ba2SiO4填充剂,TiO2色素和光启动剂对颜色 (L*,a*,b*,TP,WID) 和机械性能 (曲强度) 的影响.
- 在各种环境条件下测试了颜色稳定性,包括干燥,湿,人工唾液,咖啡和可乐染色等.
主要成果:
- 所有复合材料组合物都表现出足够的曲强度 (高达111.64MPa).
- TiO2 颜料显著影响了颜色亮度 (L*),而光发射剂度影响了黄色度 (b*).
- 成功制造的颜色分级临时板与VITA A3,A2和B1色调相匹配,尽管颜色稳定性随着Ba2SiO4和光启动剂含量增加而下降.
结论:
- 这项研究为患者特定的附加制造提供了有价值的成分指南,以颜色分级的临时面膜.
- 了解每个组成部分的作用对于优化临时修复中牙美学至关重要.
- 进一步的研究可能会专注于提高这些先进的复合材料的长期色彩稳定性.
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