Damage to the facial nerve after facial trauma, if not treated in time, will affect function, bad aesthetics, affect psychology, daily life, and quality of life of patients. Objectives: To evaluate the outcome of surgical repair of the facial nerve injury in the patients with facial trauma. Methods: cases study of patients suffering facial paralysis with facial trauma underwent end to end neurorrhaphy or using nerve graft from January 1, 2019, to December 12, 2020, at the Central Hospital of Odonto-Stomatology Hochiminh City. Results: 21 patients with traumatic facial nerve injury were included in our study. All cases underwent peripheral facial nerve repair within 8 weeks after the facial trauma. End to end neurorhaphy were performed in 8 patients (38%); Sural nerve graft primary were used in 9 patients (42.8%); using the Sural nerve as the nerve graft, combination of end to end anastomosis and nerve grafting were performed in 4 patients (19.2%). Facial nerve function was improved in 20 patients (95%) including complete restoration in 5 patients and partial in 15 patients. There were 3 patients (14,2%) had synectics facial nerve after the surgery. Conclusions: End-to-end anastomosis and nerve grafting of the injured nerve VII after trauma will help restore facial nerve conduction and improve the patient's facial paralysis.
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