Figure 4

Representative histologic section with 30X magnification in 3D-None at 2 weeks (A), 4 weeks (D), and 12 weeks (G), 3D-SLA at 2 weeks (B), 4 weeks (E), and 12 weeks (H), and 3D-TIPS at 2 weeks (C), 4 weeks (F), and 12 weeks (I). Osteoid-to-implant contact (yellow arrow head) and bone-to-implant contact (red arrow head) were observed. Colored asterisks indicate mineralized bone (red) and osteoid (black). Scale bar: 300 μm.