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3D-printed Poly(methyl methacrylate) (PMMA) prosthesis by fused-filament fabrication with PLGA microspheres incorporated into tissue interface layer. Scanning electron microscopy demonstrates the porous PMMA surface (A) that contains the PLGA microspheres (high power, inset). These microspheres were synthesized with hematoporphyrin (pseudocolored inset) and imaged with a fluorescence gel doc reader (B).
