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| The disadvantages of dual grafts are the same as those of single cortical grafts: (1) they are not as strong as metallic fixation devices; (2) an extremity must usually serve as a donor site if autogenous grafts are used; and (3) they are not as osteogeni |
中文意思：
双侧植骨的缺点与单侧皮质骨植骨的缺点相似：①强度不如金属固定器械；②采用自体骨移植时必须选择肢体作为供区；③成骨性能不如自体髂骨移植，取骨手术也有更大的风险。 |
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