基于过氧化的漂白剂对不同磨砂修复性牙科材料的颜色尺寸和表面粗度的影响
The International journal of prosthodontics
|September 27, 2024
概括
磨砂牙材料在漂白后会在颜色和表面粗度上发生显著的变化. 聚甲基甲酸 (PMMA) 显示了最剧烈的变化,而一些树脂纳米陶和合金增强玻璃陶更稳定.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料是一种生物材料.
- 恢复性牙科 恢复性牙科
背景情况:
- 牙科修复需要美学长寿和抗染色能力.
- 漂白剂通常用于使天然牙变白,但它们对修复材料的影响不太清楚.
- 在漂白条件下评估磨牙牙材料的稳定性对于临床实践至关重要.
研究的目的:
- 为了比较色彩尺寸,色彩差异 (ΔE00) 和各种磨牙牙材料在漂白前后的表面粗度.
- 为了确定哪些材料在接触漂白剂时表现出最多和最少的变化.
主要方法:
- 制造了八种磨材料 (聚甲基甲酸,两种树脂纳米陶,两种混合陶,二氧化,增强玻璃陶和) 的磁盘样本.
- 颜色和表面粗度 (Sa) 是分别在应用35%过氧化漂白剂之前和之后使用光谱仪和造型仪进行测量.
主要成果:
- 在所有测试材料中观察到L *,a *,b *和DE00值的显著差异 (P < .05).
- 聚甲基甲酸 (PMMA-Telio) 呈现出最高的颜色差异 (ΔE00) 和最大的表面粗度增加.
- 增强玻璃陶 (ZGC-Suprinity),RNC-Ultimate和RNC-Cerasmart显示了最小的颜色差异,而Zr-InCeram在表面粗度上有最大的下降.
结论:
- 磨砂牙材料在漂白前和之后显示出显著的颜色和表面粗度差异.
- 材料选择至关重要,因为PMMA等一些材料对漂白引起的改变非常敏感,这会影响它们的长期美学和表面完整性.
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