J Endod:载体和抗菌成分对3重抗菌糊剂细胞毒性的影响

2018-12-03 lishiting MedSci原创

这篇研究的目的是为了评估抗菌成分(片剂/胶囊[TC]或者美国药典[USP]划分的抗生素)和载体(水[H2O]或聚乙二醇+丙二醇[MP])对3重抗菌糊剂(TAPs)细胞毒性和pH值的影响。

这篇研究的目的是为了评估抗菌成分(片剂/胶囊[TC]或者美国药典[USP]划分的抗生素)和载体(水[H2O]或聚乙二醇+丙二醇[MP])对3重抗菌糊剂(TAPs)细胞毒性和pH值的影响。

研究用水或MP混合TC或USP划分的抗生素72 h制成TAPs,并将L929成纤维细胞暴露其中。每个分离的抗生素和载体、每个分离的载体和培养介质作为对照。使用3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide和中性红检验评估细胞毒性。将糊剂浸泡水中3和8 h后检测pH值。采用analysis of variance, the Bonferroni or Tukey posttests (α = 0.05)和the Pearson correlation检验(α = 0.05)对数据进行统计学评估。

结果显示,使用TC准备的糊剂毒性要明显低于USP划分的抗生素所准备的糊剂(P < .05),并且使用MP载体的糊剂毒性要小于水载体的糊剂(P < .05)。TC TAP + MP展现出最低的毒性作用,而USP划分的TAP + H2O则毒性最高(P < .05)。所有TAPs的pH值范围在4.64-5.20之间。不考虑载体的情况下,USP划分的TAP的pH比TC TAP低(P < .05)。TAPs+H2O的pH比TAPs+MP低(P < .05)。

结论:载体和抗菌成分影响着TAP的细胞毒性和pH值。使用TC和MP准备的糊剂其酸性和毒性均低于USP划分的抗生素和水准备的类型。

原始出处:

Faria G, Rodrigues EM, et al. Influence of the Vehicle and Antibiotic Formulation on Cytotoxicity of Triple Antibiotic Paste. J Endod. 2018 Dec;44(12):1812-1816. doi: 10.1016/j.joen.2018.09.009.

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    2019-08-23 mei539
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    2018-12-04 121afdd5m30暂无昵称

    学习啦

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