Fig. 4From: Bone plate repositioned over the antrostomy after sinus floor elevation: an experimental study in sheepPhotomicrographs of ground sections after 4 months of healing. a Bone formed from the base of the sinus. b Bone plate connected by bridges of the new bone to the close-to-window region. c Particle of the graft surrounded by new bone. d Overexposed image to show the new bone ingrowth within the granules of biomaterialBack to article page