The main reasons of postsurgical alar deformities are the difficulty in the reconstruction of the lateral-septal cartilage complex of the alae and the presence of an unstable maxilla causing a concavity of the nasal floor.

• 术后鼻翼畸形的主要原因系鼻中隔软骨重建困难,而且不稳定的上颌骨可引起鼻孔底部凹陷。