树脂水泥的染色分析及其对二甲酸 Veneers 的颜色和半透明度变化的影响
Vesna Miletic1, Asana Pour Ronagh1
1Faculty of Medicine and Health, Sydney Dental School, The University of Sydney, Surry Hills, NSW 2010, Australia.
Polymers
|February 13, 2025
概括
这项研究发现,树脂水泥在染色后显著影响二氧化面板的颜色和半透明度. 最初的水泥半透明度,而不是吸附或溶解性,影响了这些美学变化.
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
- 审美牙科 审美牙科
背景情况:
- 树脂水泥对于粘合牙科修复至关重要.
- 了解它们的美学稳定性,特别是颜色和半透明度的变化,对于临床成功至关重要.
- 二氧化面板因其美学而受欢迎,但它们与光剂的相互作用需要进行调查.
研究的目的:
- 为了评估四种树脂水泥的颜色 (ΔE) 和半透明度参数 (ΔTP) 的变化及其对染色后脱板 Veneer 修复的影响.
- 为了评估测试树脂水泥的吸附和溶解性.
- 为了确定水泥性能,贴面美学和染色之间的相关性.
主要方法:
- 四种树脂水泥 (G-CEM ONE,RelyX Universal,Panavia V5,Variolink Esthetic) 进行了测试. 这四种树脂水泥被测试.
- 圆柱形标本和二氧化面板在黑茶中染色72小时.
- 使用光谱仪测量了颜色和半透明度的变化;计算了吸附和可溶性.
主要成果:
- 与Variolink Esthetic和Panavia V5相比,G-CEM ONE和RelyX Universal的颜色变化 (ΔE) 显著较低.
- 在RelyX Universal中,唯一的呈现出增加的半透明度参数 (ΔTP).
- 贴面的颜色差异在2.7到3.9 ΔE之间,染色后的半透明度下降. 最初的水泥透光度与 ΔE 和 ΔTP 有正相关.
结论:
- 树脂水泥会影响脱酸盐涂层在染色后的色彩稳定性和半透明度.
- 树脂水泥的初始半透明度是影响美学结果的关键因素.
- 树脂水泥的吸附和溶解性与修复中观察到的颜色变化没有相关性.
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