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Dent Mater J：一种实验性生物活性牙髓封闭剂的结构、氟释放和3D界面黏附性分析

2020-03-19 lishiting MedSci原创

封闭剂 性能
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研究将具有生物活性含氟的纳米玻璃(F-nBG； 2.5 and 5wt%)与AH Plus？ (Dentsply DeTrey， Konstanz， Germany)相结合构建成一种全新的生物活性封闭

研究将具有生物活性含氟的纳米玻璃(F-nBG； 2.5 and 5wt%)与AH Plus？ (Dentsply DeTrey， Konstanz， Germany)相结合构建成一种全新的生物活性封闭剂，分别表示为AH-FBG2.5和AH-FBG5。因此，这篇研究的目的为了评估此全新封闭剂的结构模式、凝固时间、流动性和吸水性。

研究通过电感耦合等离子体发射光谱法在40天的进程中定期评估氟化物释放的情况。将拔除后的单根牙齿使用封闭剂进行封闭以检测其封闭性能。使用micro-CT影像以及推出粘接强度试验检测空隙率百分比和封闭性能。

傅里叶变换红外光谱检测结果显示，材料的峰值随着充填材料浓度的增高而发生变化。实验组的固化时间、流动性和吸水性均在临床可接受范围内。实验性封闭剂的氟化物释放、封闭能力和粘接强度显著升高。此实验性封闭剂具有克服封闭性能问题的潜力。

原始出处：

Almaimouni YK， Hamid SK， et al. Structural， fluoride release， and 3D interfacial adhesion analysis of bioactive endodontic sealers. Dent Mater J. 2020 Feb 21. doi： 10.4012/dmj.2019-064.

 

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    2020-04-29 jxrzshh

    #牙髓#

    0

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    2020-06-19 lujian

    #实验性#

    0

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    2020-07-26 lsndxfj

    #黏附性#

    0

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    2020-03-21 ms9833124466084992

    #3D#

    0

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    2020-03-21 12498dd9m12暂无昵称

    #封闭剂#

    0