Objective to evaluate a new restoration method of osteogenesis for alveolar defect and other osseous defect through the establishment of periosteal distraction.
目的建立骨膜牵张成骨模型，探讨骨膜牵张成骨新技术，为牙槽骨缺损及其他骨缺损寻找新的修复方法。
Results: There was fibrous tissue in the defect of lamina after laminectomy. First formed cartilaginous tissue in fibrous, and then evolved into osseous tissues, and finally into.
结果：全椎板切除后在椎板缺损部位纤维化，首先是在骨组织缺损的边缘软骨组织形成，然后再演变为骨组织，最后形成再生椎板。
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