目的临床研究表明：骨缺损的修复重建方法有自体骨移植、异体骨和异种骨移植、人工合成骨代用品等，其中最有效、最常用的方法仍是自体骨移植。
Objective: the Clinical study reveal that autogenous bone grafts still is the best routine methods and the best effective ways in repairing bone defect.
自体、同胎及同种异体或同种异基因细胞均可作为组织工程骨可靠的细胞来源，单纯异种成骨细胞不能作为组织工程骨的细胞来源。
Autogenous, homogenous, allograft or allogeneic cell could be used in bone tissue engineering, whereas heterogenous cell could not be used in bone tissue engineering.
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