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- 2018
不同骨挤压手术设计对种植术后骨改建的影响
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Abstract:
摘要 目的:研究不同骨挤压手术设计对术后种植体稳定性以及边缘骨吸收的影响,明确骨挤压的手术设计对于术后骨改建的影响。方法:本实验使用不同的手术方法:级差备洞(对照组)、改良骨挤压(实验组A)、常规骨挤压(实验组B)于CD1小鼠愈合拔牙窝内植入相同种植体,并于术后(0、3、21 d)处死小鼠,制备组织学染色切片并检测种植体稳定性。结果: 实验组B术后3 d TRAP染色阳性信号强于实验组A及对照组,并且术后21 d种植体颈部观察到明显骨吸收,术后种植体稳定性也明显低于实验组A。结论: 通过减小骨挤压后种植窝与种植体的直径差有利于减少术后骨吸收的发生,提高种植修复成功率
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