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The histological images of 3D-PFTM group. All membrane and the more amounts of the particulate bone graft materials were observed on the bone defect site in peri-implant. New bone formation and osseointegration occurred. NB, new bone; BGm, bone grafting material; I, implant; TiM, Ti-membrane (H&E stain; magnification 12.5x [left] and 40x [right]).
