结论改良法建立的大鼠可逆性上矢状窦血栓模型成功率高、稳定和重复性好。

Conclusion the rat model of reversible SSST established by the modified method has higher successful rate, and the model stability and reproducibility are good.

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目的寻找解决上颌骨轮廓重建时，因移植物常暴露在上颌窦腔和鼻腔，移植骨吸收和死骨形成发生率高而导致重建失败的方法。

ObjectiveTo evaluate the role of buccal-fat-pad flap in the lined coverage of the maxillary bone graft for the maxillary reconstruction after the tumor excision.

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