Facial Palsy: Diagnostic and Therapeutic Management

Facial expression is an evolutionary adaption facilitating successful social interaction. Muscles of facial expression are pivotal to nonverbal communication, articulation, and corneal protection. Facial palsy results in functional, communicative, and social impairment with profound negative impact on quality of life and emotional well-being. Congenital absence or acute facial nerve insult results in flaccid paralysis. Ultimate recovery following facial nerve insult lies on a spectrum from persistence of dense paralysis to return of normal function; in between zonal permutations of varying degrees of static and kinetic hypoactivity and hyperactivity and synkinesis exist.

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