...上颌窦下部,横行到双侧上颌结节;第二型骨折(LeFort Ⅱ型骨折)的骨折线通过鼻骨、泪骨、眶底、颧骨下方,达到上颌骨后壁;第三型骨折(LeFort Ⅲ型骨折)的骨折线也通过鼻骨、泪骨,但横过眶窝及颧骨上方,向后到上颌骨后壁,使上颌骨、颧骨与...
...鼻窦创伤(traumatic injuries of the nasalsinus )因上颌窦及额窦位置较表浅,受创伤的机会较多,以上颌窦最多,额窦次之,筛窦较少,蝶窦因位于深处更为少见。平时以工伤及交通事故;战时各种火器伤,以枪弹及弹片...
...耳鼻咽喉创伤(traumatic injuries of the ear,noseand throat)平时、战时均可见到,对越自卫反击战中不完全统计耳鼻咽喉伤员占入院总务员的5.7%。耳鼻突出于头面部,容易受外伤。战时火器的爆震压力波对...
...on YBB00082003 Test Methods of Gas Permeability, this article presents a detailed introductionto the methods of gas ...
...颧骨和颧弓是面部较突出的部分,容易发生骨折。骨折后,可发生蹋陷和移位畸形,压迫颞肌或阻碍喙突运动,造成张口受限。颧骨因构成眶外壁和眶下缘的大部分,骨折移位后,可使眼球移位,产生复视。图4-23 口内切开复位法颧骨和颧弓骨折的治疗主要是手术...
...口腔颌面部恶性肿瘤(Malignat tumor of the Oral Cavity)口腔颌面部的恶性肿瘤以癌为常见,肉瘤较少。癌肿中绝大多数为鳞状细胞癌,其次为腺性上皮癌,还有基底细胞癌、未分化癌、淋巴上皮癌等。口腔癌大部分发生于暴露...
...咽喉创伤(traumatic injuries of the pharynxand larynx)常为颈部外伤所累及,常合并颈段气管、食管伤。咽喉与甲状腺、颈部大血管、神经、颈椎等重要器官邻近,如同时受伤,可以出现大出血、休克、窒息等危象...
...He who acts, spoils; He who grasps, loses. People often fail on the verge of success; Take care at the end as at the ...
... can overflow starts with a clod of earth; A journey of a thousand miles begins at the spot under one’s feet. Therefore ...
...)。图3-21 颌下蜂窝织炎切开引流(四)口底蜂窝织炎(Cellulitis ofFloor of the Mouth)口底蜂窝织炎可由下颌牙齿感染、急性扁桃体炎、急性下颌骨骨髓炎或口底外伤继发感染而引起。本病虽较少见,却为口腔颌面部严重...
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