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Toluidine Blue staining and Van Gienson staining confirmed the new bone formation in vivo after 4 and 12 weeks. a,c) Toluidine Blue staining; b,d) Van Gienson staining; low magnification scale bar: 250 µm. The arrows indicated the new bone formation. The black areas are the sections of the Ti‐scaffolds. Light pink: the collagen fiber; light blue: the osteoblast cells. N = 5.
