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Impact of aging on osteoprotegerin and osteoprotegerin ligand mRNA expression in the peri-microscrew bones
Author(s): 
Pages: 343-346
Year: Issue:  3
Journal: Journal of Practical Stomatology

Abstract: 目的:分析正畸力作用下局部骨重建差异,探讨增龄因素对微种植体支抗稳定性的影响.方法:以3月龄和6月龄雄性新西兰兔20只为实验动物,每组10只,在兔双侧上颌骨各植入微种植体1枚,共40枚.愈合3周后右侧加载,加载3周后处死,RT-PCR法检测微种植体周围骨组织骨保护素(OPG)及其配体(RANKL)mRNA的表达,比较幼年兔和成年兔微种植体支抗周围骨组织中表达的差异.结果:未加载的微种植体周围骨中O...
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