Fig. 5From: MSC-derived small extracellular vesicles overexpressing miR-20a promoted the osteointegration of porous titanium alloy by enhancing osteogenesis via targeting BAMBITi-H-sEV-20a enhanced osteointegration evaluated by micro-CT in vivo. a Sagittal and coronal images of bone defects after 12 weeks after different treatments by micro-CT. b-e Different indicators including BV, TV, BV/TV and BMD were used for statistical analysis of micro-CT (*P < 0.05)Back to article page