Jaw is reached inside oral cavity facial skin forms most fistula hole, discharge pus for a long time, sometimes but eduction small sequestrum.

口腔内及颌面部皮肤形成孔，长期排脓，有时排出小死骨片。

Bone grafting of the alveolus is an essential step in the reconstruction of the orofacial cleft deformity.

牙骨移植是口腔颌面部隙畸形重建的重要步骤。