What causes facial paralysis?

Updated: Nov 28, 2018
  • Author: Tang Ho, MD, MSc; Chief Editor: Arlen D Meyers, MD, MBA  more...
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The etiology of the facial paralysis determines the likelihood of spontaneous return of function, as in most cases of idiopathic facial paralysis (Bell palsy). The transected or severely damaged nerve must be repaired if satisfactory return of function is to be achieved. The problem remains a frustrating one because residual weakness and synkinesis are inevitable components of the healing process. Nonetheless, most patients benefit greatly from modern techniques of repair. [2, 3]

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