"Smile" reconstruction in facial paralysis

Area of Science:

• Plastic Surgery
• Neurology
• Reconstructive Surgery

Background:

• Facial nerve paralysis significantly impacts social interaction and quality of life.
• Restoring a symmetrical, synchronous smile is a primary goal in facial reanimation surgery.
• Various neural and non-neural surgical techniques exist, each with varying outcomes.

Purpose of the Study:

• To retrospectively review and compare the efficacy of different surgical methods for facial reanimation.
• To determine the optimal approach for achieving a functional and aesthetically pleasing smile after facial nerve paralysis.

Main Methods:

• Retrospective review of patients undergoing neural and non-neural procedures for facial reanimation.
• Analysis of functional recovery and symmetry achieved with different surgical techniques.
• Comparison of outcomes based on timing of intervention and type of nerve repair or transfer.

Main Results:

• Early direct facial nerve repair yielded the most consistent functional recovery.
• Double nerve grafts were superior to single grafts in delayed cases with nerve gaps.
• Nerve grafting combined with muscle transfer provided acceptable synchronous smiles in long-standing paralysis.
• Other techniques like cross-face nerve grafts or muscle transfers had inconsistent or asynchronous results.

Conclusions:

• Individualized surgical approaches are crucial for successful facial reanimation.
• Early intervention and direct nerve repair are preferred when feasible.
• Nerve grafting and muscle transfer techniques offer viable options for delayed or long-standing facial paralysis.
• While some methods restore smile, achieving consistent synchrony and patient confidence remains a challenge.