Figure 2: (a) Histologic appearance of newly formed bones. NB = newly formed bone; (×40; H and E). (b) Residual bone material presents at the bone-material interface. White arrows = Porous titanium granules (×40; H and E). (c) Black arrows = Osteocytes in lacunae (×40; H and E). (d) Black arrows = Bone-biomaterial interface (×40; H and E). (e) Rectangular box = Grade 3 inflammation at the bone-biomaterial interface (×10; H and E).