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蛋白多糖与种植材料的关系 被引量:1

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摘要 种植材料植入体内后在其表面会吸附一层大分子物质,这些物质会影响种植材料的生物相容性,其中蛋白多糖(PG)起着重要的作用。超微结构显示在不同的种植材料与骨界面均发现有PG样物质存在,体外细胞培养也观察到种植材料表面有PG。PG通过其核心结构氨基多糖(GAG)与钛和羟基磷灰石发生吸附,其吸附机理可能是静电作用。龈沟液中GAG的变化反映了牙周组织特别是牙槽骨的反应状况,因而PG可作为种植体周围炎的检测指标。将PG与种植材料复合植入体内可以加快种植材料与骨创的愈合,并能促进上皮细胞在种植材料表面形成半桥粒结构。
作者 樊洪
机构地区 天津市口腔医院
出处 《国外医学(口腔医学分册)》 2002年第4期233-235,共3页
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