Arteries supplying periosteum of maxilla formed a abundant vascular net with the internal and external arteries of maxilla. 上颌骨内供血动脉与上颌骨粘骨膜存在广泛交通支，使上颌骨形成内外供血动脉相交通的立体血管网。
A transition zone of bony thickness exists along the frontal processes of the maxilla from the piriform aperture to the radix along the lateral nasal wall. 在上颌骨额突从梨状孔向鼻根沿鼻腔外侧壁走行过程中存在着一骨厚度移行区。
Maxilla and mandible are the major parts of the maxillofacial structure. 摘要中颜面骨与下颚骨是构成颜面主要的部份。
