Primary grafting with rib results in a unified maxilla, eliminates the oronasal fistula, and does not adversely affect midfacial growth.

• 初期肋骨移植能使上颌骨连续,消除口鼻腔瘘,不影响面中部发育,有助于防止双侧唇裂上颌骨节段性塌陷。