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在咖啡溶液中浸泡后,烧结温度对各种子系统的色彩稳定性和半透明性的影响

Rashin Giti¹, Sina Mosallanezhad²

¹Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Fars, Iran.

|November 14, 2024

概括

烧结温度不会影响咖啡浸泡后的石的色彩稳定性或半透明度. 透明度较高的石显示出比透明度较低的石更好的色彩稳定性,这表明材料类型是美学修复的关键.

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
陶科学陶科学

背景情况:

牙科的美学要求需要仔细选择牙颜色的修复材料.
的特性,包括颜色和半透明度,对于实现自然外观的修复至关重要.
了解影响的稳定性的因素对于长期临床成功至关重要.

研究的目的:

研究烧结温度对的色彩稳定性和半透明度的影响.
为了比较不同半透明度水平 (低,高,超高) 在系统中的影响.
为了评估的耐变色性,当暴露于咖啡.

主要方法:

在1450°C或1550°C的温度下烧结了60个不同半透明度的石盘.
测量了基线颜色和半透明度,然后在咖啡中浸泡30天.
使用CIELAB量化颜色变化 (ΔE) 和半透明度变化 (ΔTP),并使用双向ANOVA分析.

主要成果:

烧结温度对颜色或半透明度的变化没有显著影响 (P > 0.05).
石类型显著影响了颜色变化 (ΔE),低透光石表现出比高和超高透光类型更大的变色 (P < 0.001).
在体类型或烧结温度之间没有观察到半透明度变化 (ΔTP) 的显著差异.

结论:

烧结温度不会影响咖啡浸泡后的的颜色或半透明度稳定性.
石的类型,特别是其半透明度水平,是颜色稳定性的重要因素.
透明度更高的石显示出优越的色彩稳定性,使其成为美学牙科修复更可靠的选择.

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