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Related Experiment Video

Updated: Oct 22, 2025

Facial Nerve Surgery in the Rat Model to Study Axonal Inhibition and Regeneration
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[Dynamic procedures for facial nerve reconstruction].

Barbara Kofler, Koen J A O Ingels

    Laryngo- Rhino- Otologie
    |August 30, 2021
    PubMed
    Summary
    This summary is machine-generated.

    Facial nerve palsy impacts psychosocial well-being. This review compares static and dynamic surgical options, including masseteric branch transposition and gracilis flaps, for restoring eyelid closure and smile function.

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    Area of Science:

    • Plastic Surgery
    • Neurology
    • Otolaryngology

    Background:

    • Facial nerve palsy significantly affects patients' quality of life and psychosocial well-being.
    • Surgical interventions are crucial for restoring both protective functions (e.g., eyelid closure) and aesthetic/dynamic functions (e.g., smile).

    Purpose of the Study:

    • To discuss indications and compare surgical treatment options for facial nerve palsy.
    • To evaluate static and dynamic reconstructive procedures for facial nerve paralysis.
    • To present advantages and disadvantages of various smile restoration techniques.

    Main Methods:

    • Review of surgical treatment options for facial nerve palsy.
    • Discussion of static procedures for eyelid function.
    • Detailed comparison of dynamic procedures for smile reconstruction: masseteric branch transposition, hypoglossal-facial nerve anastomosis, Labbé procedure, and gracilis flap.

    Main Results:

    • Static procedures primarily address eyelid closure.
    • Dynamic procedures offer various approaches to smile restoration based on paralysis duration.
    • Masseteric branch transposition and Labbé procedure initiate smile via chewing, with potential for spontaneous smile through cortical adaptation.
    • Gracilis flap allows direct or cross-facial nerve grafting for a spontaneous smile.

    Conclusions:

    • Surgical treatment for facial nerve palsy involves a range of static and dynamic options.
    • The choice of dynamic procedure depends on achieving a spontaneous smile versus a chewing-induced smile.
    • Gracilis free muscle transplant offers the highest potential for achieving a spontaneous smile through nerve anastomosis.