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在侵蚀性牙磨损中的地下病变

S P Jadeja¹, A LeBlanc¹, S O'Toole¹

¹Faculty of Dentistry, Oral and Clinical Sciences, Centre for Clinical, Oral and Translational Sciences, King's College London, London SE1 9RT, United Kingdom.

Journal of dentistry

|August 6, 2023

概括

天然面膜仅仅因为侵蚀而磨损较少,但与磨损相结合时会出现显著的地下变化. 抛光的质总体上会经历更多的磨损,特别是在侵蚀和磨损的结合下. 这凸显了组合磨损如何加速牙组织损失.

科学领域:

牙科材料科学牙科材料科学
生物材料工程是生物材料的工程.
部落学 (tribology) 是一个学科.

背景情况:

牙面膜容易受到机械和化学挑战的磨损.
了解牙质对组合磨损的反应对于防止牙组织损失至关重要.
抛光等表面处理可以改变质的耐磨性.

研究的目的:

为了比较在机械 (磨损) 和化学 (侵蚀) 磨损的结合下,自然和抛光的人体面膜的表面变化.
为了研究不同磨损方案下面的质地下变化的深度和性质.
评估天然质表面完整性对抗磨损的保护作用.

主要方法:

人体面膜样本 (自然和抛光) 经过侵蚀 (酸),磨损或结合侵蚀-磨损.
使用非接触型形仪量化磨损,以测量步骤高度.
使用扫描电子显微镜 (SEM) 分析了表面形态和地下变化.

主要成果:

在只有侵蚀的条件下,抛光的质表现出比自然质更大的磨损 (步骤高度).
侵蚀和磨损的结合导致了自然质的地下显著变化,达到50微米.
SEM揭示了抛光和自然侵蚀的质的浅地下层,与侵蚀/损坏的天然质中的更深层损伤形成鲜明对比.

结论:

与抛光的面膜相比,天然面膜表现出优越的抗侵蚀性.
侵蚀和磨损的结合显著增加了自然质的磨损和地下损伤.
这些发现表明,结合的磨损机制可以加速牙组织损失,特别是影响天然的牙面.

关键词:

磨损是一种磨损.面是用乳进行的.侵蚀侵蚀侵蚀侵蚀侵蚀个人资料测量个人资料测量个人资料测量这就是SEM SEM.

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