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J Endod:一种全新硅酸钙类牙髓封闭剂的细胞毒性研究

2018-03-25 lishiting MedSci原创

添加生物相容和活性添加剂的树脂封闭剂广泛应用于临床。近来,一种名叫BioRoot RCS (Septodont, Saint Maur-des-Fossés, France)的硅酸钙类根管封闭剂横空问世。这篇研究的目的是为了评估BioRoot RCS对细胞存活和增殖的影响,并与添加硅酸钙和氧化钙的环氧树脂封闭剂以及添加MTA的水杨酸树脂封闭剂相比较。推测:BioRoot RCS的细胞毒性要显著低于

添加生物相容和活性添加剂的树脂封闭剂广泛应用于临床。近来,一种名叫BioRoot RCS (Septodont, Saint Maur-des-Fossés, France)的硅酸钙类根管封闭剂横空问世。这篇研究的目的是为了评估BioRoot RCS对细胞存活和增殖的影响,并与添加硅酸钙和氧化钙的环氧树脂封闭剂以及添加MTA的水杨酸树脂封闭剂相比较。推测:BioRoot RCS的细胞毒性要显著低于其他测试封闭剂。

研究对单层培养的NIH/3T3细胞(American Type Culture Collection, Manassas, VA)进行测试,培养条件为100%湿度、37℃、5% CO2孵育。应用于细胞的封闭剂浸膏剂(24小时和1周)按照1:1和1:2的比例稀释。施加封闭剂24和72小时后通过改良磺酰罗丹明B染色测定评估其影响。所有实验至少进行两次,重复6次。结果采用方差分析和post hoc comparison检验进行统计学评估,显著性水平设置为P = .05。

结果显示,BioRoot RCS的细胞毒性要明显低于另2种封闭剂。在所有条件下,MTA-Fillapex (Angelus, Londrina, Brazil)和SimpliSeal (Discuss Dental, LLC, Calver City, CA)展现出相似的抗增殖特性,2者没有显著性差异。

结论:BioRoot RCS展现出相当积极的生物学活性。然而,还需要进一步研究来阐明其潜在的调控机制以及发挥积极效果的成分。

原始出处

Vouzara T, Dimosiari G, et al. Cytotoxicity of a New Calcium Silicate Endodontic Sealer. J Endod. 2018 Mar 14. pii: S0099-2399(18)30069-4. doi: 10.1016/j.joen.2018.01.015.

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    2019-02-21 szhvet
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    2018-05-24 jxrzshh
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    2018-03-25 sunfeifeiyang

    0

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