Synkinetic Unilateral Lower Lip Palsy: Diagnosis and Technical Considerations for Facial Reanimation.

Importance: There are no universally adopted surgical techniques to treat depressor labii inferioris (DLI) dysfunction in patients with postfacial paralysis synkinesis. We describe a novel description of this disorder and technical surgical considerations for reanimation. Objective: To describe a new classification for DLI dysfunction and a surgical option to restore a natural appearing full dentition smile. Design: Surgical pearls-description of novel surgical technique. Setting: A private practice. Participants: Patients who underwent the operation.