Fig. 8From: A collagen membrane for periosteal expansion osteogenesis using a timed-release system in rabbit calvariaRepresentative histological Elastica- and Masson-stained images (E2). Multiple dome-shaped bony trabeculae were observed over the original bone surface, and there was dense bone in the cancellous bone area at 8 weeks postoperatively. Scale = 1 mmBack to article page