In cases where the posterior fontanel is identified, the division between the natural ostium and the fontanel should be resected to allow free communication between the two.
如果确定有前卤存在，应该将前卤和上颌窦口之间的间隔切除，使两者相通。
In cases where the posterior fontanel is identified, the division between the natural ostium and the fontanel should be resected to allow free communication between the two.
如果确定有前卤存在，应该将前卤和上颌窦口之间的间隔切除，使两者相通。
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