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Photomicrographs of ground sections representing the healing after 2 weeks at the MR (A) and MR-inject (B) groups. In the MR group (A), new bone was formed on the granules, separated by vascularized connective. In the MR-inject group (B), smaller diameter particles were embedded into water-based gel containing nanoparticles. Note osteoclast on the surface of the water-based gel. Stevenel’s blue and alizarin red stain. 100× magnification.
