Fig. 2

In week 8, X-ray: group SF/CPC exhibits more complete bone cortex, the interface line between the bone and implant material disappears, the trabecular bone tends to neat arrangement, the medullary cavity is recanalized, and the shape is good (a); group SF/CPC/PB exhibits complete bone defect repair, the fusion of the bone ends is complete, the bone cortex is continuous, the medullary cavity is recanalized, and the shape is good (b); group PB exhibits complete bone defect repair, the bone cortex is continuous, the medullary cavity is recanalized, and the shape is good (c); and group C exhibits no bone defect repair, and the ends at the bone defect site develop into bone sclerosis (d)