J Periodontol:14%多西环素凝胶控释对植体表面细菌的抑制作用

2018-04-01 MedSci MedSci原创

种植体周围感染与细菌生物膜的建立和成熟有关,主要是革兰氏阴性厌氧菌种。种植体表面的净化对于种植体周围炎的治疗来说至关重要。根据表面和治疗方式将21颗光滑的和21颗粗糙的植入物分成四组,使用血链球菌污染植体表面,然后置于具有5%CO2的气氛的培养箱中37℃下培养24小时以使细菌增长。24小时后,试验组用14%多西环素凝胶控制释放,在植入物表面圆周注射凝胶3分钟,而对照组用无菌盐水冲洗1分钟。然后将植

种植体周围感染与细菌生物膜的建立和成熟有关,主要是革兰氏阴性厌氧菌种。种植体表面的净化对于种植体周围炎的治疗来说至关重要。

根据表面和治疗方式将21颗光滑的和21颗粗糙的植入物分成四组,使用血链球菌污染植体表面,然后置于具有5%CO2的气氛的培养箱中37℃下培养24小时以使细菌增长。24小时后,试验组用14%多西环素凝胶控制释放,在植入物表面圆周注射凝胶3分钟,而对照组用无菌盐水冲洗1分钟。然后将植入物涡旋至三联大豆肉汤中以允许细菌从表面分离,以1:100稀释并铺板。培养48小时后计数菌落形成单位(CFU)。

结果显示,与对照组相比,使用14%多西环素凝胶使CFU计数最小化,差异有统计学意义(P <0.05)。平滑试验组CFU的减少比粗略试验组更明显,但差异没有统计学意义(P = 0.215)。

综上所述,该研究结果表明,在体外研究中使用14%多西环素凝胶进行种植体表面去污染是有效的。考虑到其减少细菌定植的效果,辅助使用局部递送的14%多西环素凝胶可能是治疗种植体周围炎和种植体周围粘膜炎的可行方案。

原始出处:


Patianna G, Valente NA, et al., In vitro evaluation of controlled-release 14% doxycycline gel for decontamination of machined and sandblasted acid-etched implants. J Periodontol. 2018 Mar;89(3):325-330. doi: 10.1002/JPER.17-0325. Epub 2018 Feb 28.

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    2018-07-10 feather89
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    2018-04-03 lishizhe
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    2018-04-02 xiaotaiyang1

    多西环素的效果还是不错.说明

    0

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