Fig. 3

Micro-CT results. A CT images from different angles at 3 months. B CT images from different angles at 6 months; C-a the percentage of bone trabeculae at 3 months after surgery; C-b bone mineral density at 3 months after surgery; C-c the percentage of bone trabeculae at 6 months after surgery; C-d bone mineral density at 6 months after surgery. All groups were compared with the control group, and the difference was expressed as asterisk. *p < 0.05, **p < 0.01 or ***p < 0.001. The red box represents the surgical area