Fig. 5

Hematoxylin and eosin staining analysis of new bone formation (a–d low magnification, bar = 1 mm; A’–D’ high magnification, bar = 0.5 mm. a A’ blank control group, b B’ HA/Col group, c C’ HA/Col+ASC group, d D’ HA/Col+ASC+EPC group). e Quantitative analysis of bone area in implanted region. BA, bone area in implant; TA, total implant area. *p < 0.05