AIM: To make compound material composed with xenograft true bone ce-ramics (TBC), type I collagen and bone morphogenetic protein (BMP) andobserve the changes of histology and biomechanics in bone defect plerosis.

• 目的:制备异种煅烧骨、I型胶原和骨形态发生蛋白复合材料,观察在骨缺损修复过程种的组织学和生物力学变化。