Immunohistochemical, tomographic and histological study on onlay bone graft remodeling. Part II: calvarial bone Pedrosa WF et al. - These findings indicate that the bone volume of calvarial grafts is better maintained when the receptor bed is perforated, probably resulting from more effective graft revascularization and greater bone deposition. The process of bone resorption peaked between 20 and 60 days post-operatively in both groups although significantly less in the perforated group. [more...]