重建上颌骨前壁：术中先带蒂翻揭上颌窦前壁骨片，术毕复回原位固定。
Reconstruction of the anterior wall of the maxilla: overturned the bone of the anterior wall of maxillary sinus with pedunculus firstly and reduced after the operation.
重建上颌骨前壁：术中先带蒂翻揭上颌窦前壁骨片，术毕复回原位固定。
Reconstruction of the anterior wall of the maxilla: overturned the bone of the anterior wall of maxillary sinus with pedunculus firstly and reduced after the operation.
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