目的：研究火器伤骨折的愈合及BMP - 2的表达。
Objective: To investigate the expression of BMP-2 in gunshot fracture healing.
结果：兔股骨火器性骨折术后4周达到骨性愈合，而普通骨折术后3周达到骨性愈合。
Results: Bone union came into being 4 weeks after operation in the gunshot fracture group, while 3 weeks in the control group.
研究结果表明，在相同致伤条件下，伴有下颌骨骨折的颌面部火器伤的颅脑伤发生率高于无下颌骨骨折的颌面伤。
It was found that under the same wounding condition, the rate of cerebral damages was higher when the mandible was fracture than when the mandible was intact.
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