Figure 3: Histological findings of the tested implant after 0 days and 14 days of healing. (a) The implant is partly surrounded with original cortical bone (CB). No peri-implant new bone (NB) formation was observed in a bone marrow cavity. Original magnification ×2.5. (b) Original magnification ×10. (c) The implant is surrounded by cortical bone and newly formed bone in the bone marrow cavity. (d) Higher magnification (×100). Scale bar: 500 μm.