对牙侵蚀在天然口腔和闭口面膜表面的比较分析
Abdullah Almansour1, Owen Addison2, Aaron LeBlanc2
1College of Dentistry, Prince Sattam Bin Abdulaziz University, Al-Kharj, Kingdom of Saudi Arabia; Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK.
Journal of dentistry
|June 3, 2025
概括
在口腔和口腔表面的牙质表现出类似的易受酸性侵蚀的敏感性. 环境因素,而不是固有的表面特性,可能会影响临床侵蚀模式.
科学领域:
- 牙科研究 牙科研究
- 生物材料科学是生物材料的科学.
- 表面化学 表面化学
背景情况:
- 牙面膜侵蚀是一个越来越令人担忧的问题.
- 口和闭口表面具有不同的结构性质.
- 了解不同的敏感性对于预防至关重要.
研究的目的:
- 为了比较天然口腔和闭口口面膜表面对酸性侵蚀的易感性.
- 评估阶梯高度变化作为侵蚀的衡量标准.
- 调查超结构差异在侵蚀易感性中的作用.
主要方法:
- 使用了20个人类牙面膜样本.
- 配对的口腔和闭合标本受到酸挑战.
- 使用白光分析和SEM量化了表面变化.
主要成果:
- 口腔和闭口表面都表现出质损失,随着酸暴露时间的增加.
- 间隙表面显示出更大的平均步骤高度损失的趋势,但差异在统计学上并不显著.
- 线性回归证实了两个表面的显著侵蚀,侵蚀速率没有显著差异.
结论:
- 自然的口腔和闭口面膜表面对体外侵蚀具有相似的敏感性.
- 这些表面之间的超结构差异不会显著改变它们的耐侵蚀性.
- 牙侵蚀的临床模式可能更多地受到外部因素的影响,而不是内在的牙 properties.
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