Objective: To investigate the efficacy of combined use of Morphogenetic Protein (BMP)- Calcium Phosphate Cement (CPC) - freeze-dried dura mater (FDDMA) in clinical segmental bone defects repairing.

• 目的：探讨冻干硬脑膜内骨形成蛋白和自固化磷酸钙复合移植修复节段性骨缺损的效果，为临床修复节段性骨缺损探索一条有效的途径。