Keywords Maxillary Defects;Free Flaps;Reconstruction;Fibula Osteocutaneous Flap;Rectus Abdominus Myocuta-neous Flap;Forearm Flap;

• 上颌骨缺损;游离组织瓣;重建;前臂皮瓣;腹直肌皮瓣;腓骨复合组织瓣;