Figure 3.

Bone Defects Stained in Hematoxylin and Eosin (5 µm Thick) From Femur Challenged With Laser and Methylene Blue. A: bone defects in the control group at seven days; B: bone defects in the control group at fourteen days; C: bone defects of the methylene blue group at seven days; D: bone defects of the methylene blue group at fourteen days; E: bone defects in the LLLT group at seven days; F: bone defects in the LLLT group at fourteen days; G: bone defects in the LLLT + PDT group at seven days; H: bone defects in the LLLT + PDT group at fourteen days. INF, inflammatory infiltrate; MO, bone marrow; GRAN, granulation tissue; P, periosteum; OT, trabecular bone; OL, lamellar bone