Dent Mater J:次氯酸钠和超声对Biodentine硅酸钙类材料表面形态和化学成分的影响

2020-05-14 lishiting MedSci原创

在牙髓治疗过程中,生物材料会置于多种因素的作用下。这篇研究的目的是为了评估不同浓度的次氯酸钠和超声对Biodentine表面形态和化学成分的影响。

在牙髓治疗过程中,生物材料会置于多种因素的作用下。这篇研究的目的是为了评估不同浓度的次氯酸钠和超声对Biodentine表面形态和化学成分的影响。

研究将54个Biodentine样本基于材料的固化时间分为3组。待材料混合后,将其置于2%和5.25% NaOCl冲洗的不同模式和时间下,并伴随超声12 min (group I), 45 min (group II)和24 h (group III)与否。通过SEM对样本表面形态进行视觉评估,通过能量色散光谱分析进行化学成分的检测。

结果显示,NaOCl冲洗和超声会影响材料的表面;然而,它们并未改变材料的化学组成。在NaOCl被放置后,超声加强的冲洗应该在更长的材料固化时间后实施。不推荐即刻使用超声。

原始出处

Aleksandra Palatyńska-Ulatowska, Katarzyna Buła, et al. Influence of Sodium Hypochlorite and Ultrasounds on Surface Features and Chemical Composition of Biodentine Tricalcium Silicate-Based Material. Dent Mater J., 2020 Mar 28. doi: 10.4012/dmj.2018-430.

 

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    2021-02-04 szhvet
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    2020-10-10 sunylz
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