在拔牙的过程中如果远端骨或颊骨移动失败就会造成整个上颌结节断裂，从而造成上颌窦底撕裂。

Failure to remove distal or buccal bone while removing one of these teeth can cause the entire maxillary tuberosity to be fractured off, thereby tearing out the floor of the maxillary sinus.

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结论：经硬腭-唇龈联合路径切除上颌结节部和部分上颌窦后外侧壁及翼突内外板是治疗突入翼腭窝鼻咽纤维血管瘤的有效方法。

Conclusion: The approach from palatum durum chilogum seems to have a salutary effect on resecting the maxillary tuberosity and part of retrolateral wall of the genyantrum.

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