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外伤性面神经麻痹最常见于中耳乳突手术[1],其次是颞骨骨折[2],口腔临床并不多见。颞骨乳突骨折可导致乳突段面神经迟发性损伤,引起迟发性面神经麻痹。患者外伤初期无任何面神经症状,但数日后出现患侧额纹消失、不能皱眉、眼睑闭合不全、鼻唇沟消失、口角下垂、鼓腮时口角漏气,示齿时口角向健侧歪斜,不能作撅嘴动作等面神经麻痹症状,在口腔科临床诊疗工作中应引起重视,早期积极采用预防性糖皮质激素治疗可以明显提高迟发性面神经麻痹患者的临床疗效[3]。
Traumatic facial paralysis is most common in the middle ear mastoid surgery [1], followed by the temporal bone fracture [2], oral clinical and rare. Temporal bone mastoid fracture can lead to delayed facial nerve mastoid injury, causing delayed facial paralysis. Patients with early facial traumatic symptoms without any facial nerve, but after a few days there ipsilateral forehead pattern disappeared, can not frown, eyelid insufficiency, disappearance of nasolabial fold, drooping mouth, drum cheek when the mouth leakage, dentition to the contralateral skew angle, can not Pouting action for facial nerve paralysis symptoms, clinical work in the Department of Stomatology should pay attention to the early active use of preventive glucocorticoid therapy can significantly improve the clinical efficacy of delayed facial nerve paralysis [3].