Fig. 2From: Multiple ways for the same destination: bone regenerationHydroxyapatite (HA) as a bone graft. A Scanning microscopic image of HA crystal. B HA has been grafted into the rabbit’s calvarial defect. New bone formation is observed around the vacant spots at 8 weeks postoperatively. Vacant spots are occupied by HA and dissolved during the decalcification procedureBack to article page