J Clin Periodontol:通过植入钛氧化物纳米管进行局部给予双膦酸盐后兔的骨组织反应

2017-09-17 MedSci MedSci原创

这项研究的目的是确定表面化学控制的TiO2纳米管结构是否可以作为唑来膦酸增强种植体 - 骨支持的局部药物递送系统。

这项研究的目的是确定表面化学控制的TiO2纳米管结构是否可以作为唑来膦酸增强种植体 - 骨支持的局部药物递送系统。

方法:制备了具有表面化学控制的TiO2纳米管结构的二十四个螺旋形Ti种植体,并分成唑来膦酸式测试组和天然对照组。 置入12只新西兰白兔的对侧股骨髁。使用共振频率分析(RFA)和去除扭矩(RTQ)以及3周愈合间隔后的组织学分析来评估骨支持。

结果:与对照相比,唑来膦酸式的TiO2纳米管测试显示种植体稳定性的改善,RFA和RTQ显示骨整合改善(p <0.05),并且显示新骨形成增加。

结论:TiO2纳米管种植体可能是局部骨形成的药物或生物制剂的重要递送系统。在临床评估之前,需要对候选药物/药剂,优化剂量和释放动力学进行额外研究。

原始出处:

David H. Kwon, Sang J. Lee, Ulf M. E. Wikesjo, et al. Bone tissue response following local drug delivery of bisphosphonate through titanium oxide nanotube implants in a rabbit model. Journal of Clinical Periodontology. 2017 September. doi: 10.1111/jcpe.12776

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    2018-03-16 feather89
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    2017-09-19 chg122
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    2017-09-19 jiyangfei
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    2017-09-17 189****7206

    学习了谢谢分享

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    2017-09-17 吴晶晶

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