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非负荷期种植体周围破骨细胞动态变化的组织学观察 被引量:5

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摘要 目的对非负荷期非埋植型种植体周围骨组织中抗酒石酸酸性磷酸酶表达的变化进行研究,探讨种植体植入后,破骨细胞在种植体周围牙槽骨吸收和骨改建过程中的作用。方法拔除Beagle狗的上、下颌前牙及前磨牙,在不同时间段植入种植体,取得种植不同时间段的标本,采用抗酒石酸酸性磷酸酶染色鉴定破骨细胞和计数。结果种植体周围牙槽嵴顶区破骨细胞数以种植术后6、9d达到高峰,分别为16.00±3.37/张切片和16.75±2.63/张切片,与其余时间段差异有显著性(P<0.01);1个月以内的破骨细胞数(9.50±5.22/张切片)与1个月以后的(1.81±1.28/张切片)差异也有显著性(P<0.01)。结论种植体周围骨吸收主要是破骨细胞性骨吸收,骨组织中的破骨细胞聚集和活化主要发生在术后1个月内。
作者 王斌 何福明
出处 《现代实用医学》 2007年第8期605-606,620,共3页 Modern Practical Medicine
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同被引文献68

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