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Bone biopsy taken six months after ridge preservation with BX and stained with Masson’s trichrome. (A) Longitudinal section. The square shows the area under higher magnification. Scale bar 100 μm. (B) Granules of residual biomaterial (BM) are incorporated into the newly formed bone (NB). Blood vessels (yellow arrows) and fibroblasts (nofilled black arrows) are in soft tissue (ST). No signs of inflammatory reaction were observed in the specimen. Scale bar 200 μm.
