Conclusion: Jaw gigantic cysticintraoral fenestration depressor drainage operation can change face abnormality fast and also advance the new bone forming near the cystic pathological changes area.

• 结论：颌骨巨大囊肿口内开窗减压引流术能较迅速改变面部畸形，并促进囊性病变临近的新骨形成。