There was obvious osteoporosis in cortical bone beneath the plate in the DCP group and noobvious osteoporosis was observed in the PC-DCP group.

• 结果显示:(l)X线影像显示PC一DCP与DCP组之间无明显区别; (2)组织病理学观察显示PC一DCP组骨折愈合速度及质量均优于DCP组;