Figure 12. Van Gieson’s-stained sections of CPC-BG composite and CPC specimens that were harvested at 4 (a–f) and 12 (g–l) weeks after implantation.

(a, b) CPC+20% BG for 4 weeks. (c, d) CPC+10% BG for 4 weeks. (e, f) CPC for 4 weeks. (g, h) CPC+20% BG for 12 weeks. (i, j) CPC+10% BG for 12 weeks. (k, l) CPC for 12 weeks. M: materials. B: bone formation. Scale bar: 400 µm (black), 160 µm (white).