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Published on: May 5, 2020
Update in facial nerve paralysis: tissue engineering and new technologies
Nicholas B Langhals1, Melanie G Urbanchek, Amrita Ray
1aSection of Plastic Surgery, Department of Surgery bDepartment of Biomedical Engineering cDivision of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology - Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, USA *Nicholas B. Langhals and Melanie G. Urbanchek contributed equally to the writing of this article.
Recent advances in facial paralysis treatment focus on nerve regeneration and facial reanimation using emerging technologies. Innovations in biomaterials and bioelectrical interfaces offer promising solutions for restoring natural facial movement.
Area of Science:
- Biomedical Engineering
- Regenerative Medicine
- Plastic Surgery
Background:
- Facial paralysis significantly impacts quality of life.
- Current treatments aim to restore facial symmetry and function.
- Understanding nerve injury is crucial for effective management.
Purpose of the Study:
- To review recent advancements in facial paralysis treatment.
- To highlight emerging technologies in nerve regeneration and facial reanimation.
- To discuss innovations in biomaterials and bioelectrical interfaces.
Main Methods:
- Literature review of surgical innovations.
- Analysis of progress in tissue engineering for nerve repair.
- Examination of bioelectrical interfaces and nanotechnology applications.
Main Results:
- Significant progress in accelerating nerve regeneration.
- Development of tissue-engineered constructs for nerve replacement.
- Evolution of muscle transfer techniques and electrical nerve stimulation.
- Advancements in artificial tissues and biomaterials.
Conclusions:
- Biomedical engineering and facial reanimation are converging.
- Innovative surgical and tissue engineering tools enhance treatment.
- The goal is predictable restoration of natural facial movement with minimal morbidity.
- Bioelectrical interfaces and nanotechnology show potential for improved outcomes.

