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细胞生态与下一代骨修复材料 被引量:2

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摘要 骨修复材料包括种植材料和骨缺损修复替代材料,目前,已经有40多种不同的陶瓷、金属和聚会物等用于骨组织的替代和修复.多数现有的骨修复材料仍然基于早期的观念:用于人体的材料最好是惰性的,产生的组织反应最小,这类种植材料一般10年成功率约80-90%,长期成功率(>10年)则明显降低.骨修复材料的主要目的就是使成骨细胞在其表面增殖和分化,并迅速诱导胶原性骨基质在材料的表面沉积,在修复材料和骨组织之间产生生物结合,即植入材料的生物活性固定,形成稳定的高机械强度的界面,使骨修复材料能够最终为骨组织取代或形成稳定的骨/种植体界面.骨修复材料植入体内后,首先和血液成分相互作用,包括蛋白和血小板的吸附和红细胞和炎性细胞的粘附,材料的表面性质决定了何种分子被吸附到材料表面,这一吸附反应决定和影响了随后的细胞行为.了解骨损伤愈合过程中成骨细胞生态及其调控因素,有助于有目的的对材料的表面理化及生物学性质进行改造,影响并控制成骨细胞对于骨修复材料的反应性.
出处 《口腔颌面修复学杂志》 2000年第2期108-110,93,共4页 Chinese Journal of Prosthodontics
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同被引文献16

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