取昆明小鼠90只，随机分为3组，牛松质骨粒组、天然珊瑚组和磷酸三钙组，每组30只。
Totally 90 Kunming mice were divided randomly into bovine cancellous particles group natural coral group and TCP group with 30 in each group.
结论：结构性松质骨块的植入对恢复股骨头表面及内部的应力水平要优于松质骨粒。
CONCLUSION: At the point of stress level recovery of the surface and internal femoral head, the structural bone graft is better than the cancellous bone granule implant.
结论：结构性松质骨块的植入对恢复股骨头表面及内部的应力水平要优于松质骨粒。
CONCLUSION: At the point of stress level recovery of the surface and internal femoral head, the structural bone graft is better than the cancellous bone granule implant.
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