OBJECTIVE: to investigate the efficacy of using external layer mucoperiosteum valve of thyroid cartilage to repair the wound surface and reconstruct vocal function.
目的：探讨用甲状软骨外层黏骨膜瓣修复创面并重建发声功能的效果。
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The recombined fused protein of rats 'opg and physiological saline were injected to the palatine-side mucoperiosteum of the first molar of the experimental group and the control group respectively.