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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Biomaterials. 2011 Sep 1;32(35):9415–9424. doi: 10.1016/j.biomaterials.2011.08.047

Fig. 5.

Fig. 5

New bone formation detected by hematoxylin and eosin staining and Micro-CT. (a-d) and (e-h) shows local histological images of the different groups at 4 and 12 weeks post-operation, respectively. Green lines label the boundary of the augmented sinus region. The arrows indicate the direction of newly formed tissue ingrowth into the silk gel from the boundary. (NB: new bone; RSG: remnant silk gel). (i-l) Three dimensional reconstructed images of augmented sinus were taken 12 weeks after operation.