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首页> 外文期刊>American journal of dentistry >The effect of an experimental anhydrous stannous fluoride dentifrice on the acid resistance of dentin smear layers
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The effect of an experimental anhydrous stannous fluoride dentifrice on the acid resistance of dentin smear layers

机译：实验无水氟化氟胺诱导对牙本质涂层酸性抗性的影响

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Purpose: To compare the relative performance, in an in vitro assay, of a standard dentifrice (Colgate Cavity Protection) with an experimental anhydrous 0.454% w/w stannous fluoride dentifrice at protecting the dentin smear layer against dietary acids. Methods: Artificial smear layers were created on bovine dentin, contacted with slurries of the dentifrices, then exposed to a dietary acid (Coca Cola) for periods up to 10 minutes. Both the stability of the smear layer and tubule occlusion were assessed qualitatively by scanning electron microscopy and confocal laser scanning microscopy. Results: Smear layers treated with the standard dentifrice were removed after 2 minutes of exposure to cola with the smear plugs progressively eroded by longer acid challenges, leaving patent tubules. Treatment with the experimental stannous fluoride dentifrice provided extensive protection of the smear layer against cola for up to 10 minutes, with very few tubules unoccluded. (Am JDent 2013:26:15A-18A).
机译：目的：将标准洁齿剂（大康腔保护）的体外测定中的相对性能与实验无水0.454％w / w亚砷酸氟胺掺杂，在保护牙本质涂片上的膳食酸中的实验无水0.454％w / w。 方法：在牛牙本质上产生人造涂抹层，与牙本料的浆液接触，然后暴露于膳食酸（可口可乐），最长可达10分钟。 通过扫描电子显微镜和共聚焦激光扫描显微镜定性评估涂片层和小管闭塞的稳定性。 结果：在接触到可乐中的涂抹塞后2分钟后除去用标准洁齿剂处理的涂片层，通过较长的酸攻击逐渐侵蚀，留下专利小管。 用实验型氟化硅烷洁净剂处理为可涂片层提供了广泛的可乐，最多10分钟，小管未被沉积。 （AM JDent 2013：26：15A-18A）。

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