Case Report

Histological and Radiological Analyses of a Maxillary Sinus Lift with Extensive Drilling of the Schneider Membrane Using Xenogeneic Bone

Figure 5

Light microscopy. The upper micrograph (a) illustrates a significant increase in bone neoformation. A layer of lamellar bone (LB) surrounding the biomaterial (BM) is present after 150 days of healing. No signs of inflammation were observed, but the presence of blood vessels (bv) is evident. In (b), the layer of neoformed bone (PB) and a cement line (cl) are present in the center of the remodeling region. At higher magnification, in the area adjacent to the lamellar bone (c), islets of newly formed bone can be observed, lined by a thin layer of osteoblasts (Ob). Multinuclear cells (MNC) are also observed between the growing trabecular bone towards the center of the bone defect. Hematoxylin and eosin staining. Original micrographs at (a) 40x, (b) 100x, and (c) 200x magnification.
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(a)
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(b)
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(c)