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Facial Nerve Video 56 sec

Lidocaine Injection in the Depressor Anguli Oris Lateral to a Vertical Line Through the Modiolus

JAMA Facial Plastic Surgery • September 22, 2016

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Patient's face, frontal view. The patient developed postparalysis facial palsy following vestibular schwannoma resection several years prior. On the right side of the patient's face, the location of the right depressor anguli oris (DAO) muscle is outlined in marker on the skin. The patient attempts 3 smiles. Next, 1 mL of lidocaine, 1%, is injected into the right DAO muscle. The patient then attempts 3 more smiles, with clear improved elevation of the right oral commissure and more dental show on the right side.

Where CME credit is designated, the activity is part of the American Medical Association's accredited CME program. The AMA is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.
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