The uncinate fragment is then grasped and removed as one piece.This should bring into view the opening of the maxillary sinus and facilitate subsequent maxillary sinus meatotomy.
这时可以看到
颌窦的开口，并为进一步的颌窦口扩大术提
。
The uncinate fragment is then grasped and removed as one piece.This should bring into view the opening of the maxillary sinus and facilitate subsequent maxillary sinus meatotomy.
这时可以看到颌窦的开口，并为进一步的颌窦口扩大术提。
声
：以
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