Objective: to evaluate the biological safety of carbon fiber reinforced chitosan robs made by ourselves for bone fracture internal fixation.
目的：检验自制炭纤维增强壳聚糖骨折内固定棒材是否符合生物材料的热原要求。
AIM: To evaluate the application of absorbable self-reinforced screws in the internal fixation of cancellous bone fracture.
目的：评价自身增强可吸收螺钉在松质骨部位骨折内固定中的应用价值。
Objective:To evaluate the effect of strengthening internal fixation on compound fracture of facial bone.
目的：评价坚固内固定术在治疗颌面骨多发性骨折的临床应用效果；
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