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用于牙科应用的微孔/宏孔聚烯酸支架

Tara Shabab1, Onur Bas1,2, Bronwin L Dargaville1,2

  • 1Faculty of Engineering, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia.

Pharmaceutics
|May 27, 2023
PubMed
概括

这项研究开发了先进的3D打印脚手架,用于牙组织再生. 这些多相支架提供可调节的特性和增强的细胞活性,为改进的再生疗法铺平了道路.

关键词:
建筑 建筑学 建筑学 建筑学生物材料生物材料学仿生生物学的仿生学牙科支架 牙科支架药物输送是药物输送的过程.多相的 多相的

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科学领域:

  • 生物材料科学 生物材料科学
  • 再生医学是一种再生医学.
  • 牙科工程 牙科工程

背景情况:

  • 脚手架引导的组织再生对于牙科应用至关重要.
  • 开发具有可控制属性的支架仍然是一个挑战.

研究的目的:

  • 使用3D打印和菌素浸出来创建多相支架,用于牙组织再生.
  • 研究脚手架属性的调节性及其对细胞行为和药物输送的影响.

主要方法:

  • 使用基于融挤出的3D打印,使用聚烯酸盐复合材料.
  • 采用菌体液,以创造微孔隙性和调整表面形态.
  • 描述了机械性能,降解动力学和表面粗度.
  • 评估了3T3纤维细胞的附着,增殖和细胞外基质的产生.
  • 用于药物输送研究的嵌入式塞法林.

主要成果:

  • 多尺度支架表现出可调节的机械性能,降解率和表面粗度 (高达28.75±7.48μm).
  • 与单个尺度支架相比,增强了纤维细胞的附着,增殖和细胞外基质的产生 (增加了1.5到2倍).
  • 从多相支架上显示持续释放的塞法林.

结论:

  • 开发的多相支架为牙组织再生提供可控制,可调节的特性.
  • 这些支架促进了细胞活动的增强,并可以作为有效的药物输送系统.
  • 这些发现支持进一步开发这些支架用于临床牙科应用.