Fig. 3From: Efficacy of extracellular vesicles from dental pulp stem cells for bone regeneration in rat calvarial bone defectsMicro-CT analysis of calvarial defects 4 weeks after the procedure. Administration of DPSC-EVs with COL (a), β-TCP (b), and HA (c). Transplantation of DPSCs with COL (d), β-TCP (e), and HA (f). Filling of β-TCP (g) and HA (h). The upper image is a horizontal section. The lower images are left and right sagittal sections. i Volume of newly formed bone areas was measured by 3D images. Results are expressed as means ± SEM (n = 6)Back to article page