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氧化锆基台与钛基台细菌黏附的比较 被引量:2

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摘要 目的:通过实验,观察细菌与菌斑在瓷沉积种植基台和钛基台上的黏附量,分析两种不同材料对细菌黏附及影响。方法:分别将氧化锆陶瓷与钛合金制作成10mm×10mm×2mm的试片,每组六片。试件表面依次用200#、400#、600#、1000#、1200#(氧化锆陶瓷在1200#水磨砂纸磨光后用松风产陶瓷抛光轮抛光)1500#、2000#,砂纸磨光。将个样本置于变形链球菌的培养液中,在37℃条件下,静态培养后培养1h。荧光显微镜下计数黏附细菌的数量。结果:氧化锆陶瓷试件粘附细菌数量少于钛合金试件黏附细菌数量(P<0.01)。结论:氧化锆陶瓷具有优良的生物学性能。一定程度上可减少细菌附着定植水平,可降低种植体周围炎的发生。
出处 《黑龙江医药科学》 2011年第5期31-32,共2页 Heilongjiang Medicine and Pharmacy
基金 深圳市罗湖区科技计划项目 编号:2009-8
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