Clin Oral Investig:富含水胶体牙粉作为氟化物控释系统的一项随机三盲交叉试验

2018-03-05 lishiting MedSci原创

这篇研究的目的是为了评估富含水胶体(他拉胶)的实验性牙粉作为氟化物的控释系统在口内生物膜和唾液中是否可维持氟化物(F)的存留。

这篇研究的目的是为了评估富含水胶体(他拉胶)的实验性牙粉作为氟化物的控释系统在口内生物膜和唾液中是否可维持氟化物(F)的存留。

在此项随机三盲交叉冲刷试验中,18名受试者使用以下不同的洁齿剂1周:100-TGF (富含他拉胶的氟化钠 NaF 1100 mg/L), 50-TGF (富含他拉胶的50% NaF + 50%游离NaF, 1100 mg/L), PC (游离NaF, 1100 mg/L), TG (不含F的他拉胶)和placebo (不含F或他拉胶)。在使用牙粉的第7天,最后一次刷牙后的1和12小时收集生物膜和唾液。使用六甲基二硅氧烷促进的扩散技术通过氟化物的物理化学分析确定F浓度。使用two-way方差分析(重复检测)和Spearman's correlation coefficient检验对数据进行统计学评估(p<0.05)。

结果显示,在100-TGF, placebo和TG组间相同牙粉在刷牙后1和12小时后的生物膜内F含量未见显著性差异(p>0.05)。在50-TGF, 100-TGF和PC组中可检测到唾液中最高的曲线下面积值。

结论:富含水胶体的牙粉作为F的控释系统可以促进口腔中F的存留,即使在刷牙后12小时。

临床含义:将水胶体添加入牙粉中作为F的控释系统可能有助于维持较高的防龋效果。

原始出处:

Alves VF, Moreira VG, et al. A randomized triple-blind crossover trial of a hydrocolloid-containing dentifrice as a controlled-release system for fluoride. Clin Oral Investig. 2018 Feb 26. doi: 10.1007/s00784-018-2395-0.

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    2018-03-07 jihuaijun1112

    学习学习学习

    0

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    2018-03-06 changjiu

    学习一下

    0

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    2018-03-05 爱吃鱼的菜

    学习.谢谢分享

    0

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    2018-03-05 131****2916

    不错的文章值得推荐

    0

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