Figure 6

Histological examination of two groups at different times. Black circles indicate bone lacunas; yellow arrow represents Haversian system; green arrows indicate osteoblasts; blue arrows indicate bone-to-implant interface. NB means new born bone, OC represents original bone tissue, IMP means implant, and MC indicates bone marrow. A: Week 2. B: Week 4. C: Week 8. D: Week 12. a using magnification of 100 times, b using magnification of 200 times, c using magnification of 400 times