OR Snapshots – The Marginal Mandibular Facial Nerve Branch and Chin and Jawline Implant Surgery
The anatomy of the marginal mandibular branch of the facial nerve crosses from beneath the platysma muscle in the neck up across the side of the chin to innervate multiple lower lip and chin muscles. It causes the action of the lip depressor muscles (labii inferiors and angle oris) as well as that of mentalis Read More…