Research & Publications

Dr. Shai M. Rozen is a board-certified plastic and reconstructive surgeon whose work bridges advanced clinical care and meaningful academic research. With a focus on facial paralysis, nerve reconstruction, and aesthetic surgery, Dr. Rozen has contributed extensively to the medical literature, helping refine surgical techniques and improve patient outcomes. His research emphasizes both functional restoration and natural-looking results, reflecting a commitment to innovation, precision, and patient-centered care.

Standardizing Bell’s Palsy Diagnosis

Publication Date: January 2025

Study Title: Bell’s Palsy—Unclear Terminology and Definitions Impede Progress

Summary:
This study highlights inconsistencies in how Bell’s palsy is defined across medical literature. By analyzing hundreds of studies, it demonstrates that the lack of standardized terminology may impact diagnosis, treatment decisions, and research outcomes. The findings emphasize the need for clearer clinical definitions to improve patient care and scientific progress.

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Functional Anatomy of Lower Lip Muscles

Publication Date: January 2026

Study Title: Muscles of the Lower Lip: Functional Anatomy, Innervation Patterns, and Nerve Injury Prevention

Summary:
This research explores the anatomy and function of lower lip muscles, which play a key role in facial expression and oral function. The study provides insights into nerve pathways and surgical considerations, helping surgeons minimize nerve injury during facial procedures and improve functional outcomes.

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Advances in Facial Nerve Reconstruction Techniques

Publication Date: June 2022

Study Title: Cross Facial Nerve Grafting for Smile Restoration: Thoughts on Improving Graft Inset

Summary:
This publication examines refinements in cross-facial nerve grafting, a key technique used to restore smiles in patients with facial paralysis. The study discusses surgical improvements that may enhance nerve regeneration and lead to more natural, expressive outcomes.

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Facial Muscle Anatomy & Synkinesis Treatment

Publication Date: December 2021

Study Title: Topographic and Neural Anatomy of the Depressor Anguli Oris Muscle and Implications for Treatment of Synkinetic Facial Paralysis

Summary:
This study analyzes the anatomy of a key facial muscle involved in expressions like frowning. It offers important insights into treating synkinesis (involuntary facial movements), helping refine both surgical and non-surgical treatment strategies.

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Sensory Recovery After Breast Reconstruction

Publication Date: October 2017

Study Title: Sensation of the Autologous Reconstructed Breast Improves Quality of Life: A Pilot Study

Summary:
This study evaluates how restoring sensation after breast reconstruction impacts patient quality of life. Findings suggest that sensory restoration plays a significant role in patient satisfaction and overall well-being following reconstructive surgery.

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Lower Facial Rejuvenation Techniques

Publication Date: October 2018

Study Title: Lower Facial Rejuvenation

Summary:
This publication reviews modern surgical and non-surgical approaches to rejuvenating the lower face. It provides guidance on achieving natural-looking results while preserving facial harmony and function.

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See a full list of Dr. Rozen’s publications at the National Library of Medicine website and Google Scholar.