Anterior Perspective of the Buccal Branch of the Facial Nerve

Description

Anterior facial dissection exposes the buccal branch of the facial nerve (CN VII) coursing superficially from the parotid region toward the cheek prominence, crossing the lateral face in a generally horizontal, slightly inferomedial trajectory toward the oral commissure. Along its path, the nerve lies anterior to the masseter and deep to the subcutaneous plane, with the zygomaticus major and minor positioned superomedially and the orbicularis oris forming a muscular ring around the mouth. The orbicularis oculi frames the palpebral fissure superiorly, while the zygomatic bone and arch provide a firm lateral landmark for the nerve’s midfacial course. Small accompanying superficial veins are suggested in blue, reinforcing the layered relationship of nerve to facial soft tissues. Buccal motor branches are a common point of confusion because they sit in a region where parotid surgery, facial lacerations, and cosmetic procedures intersect, and they are frequently discussed alongside the buccal nerve of V3, which is sensory and runs a different course. This anterior perspective clarifies how CN VII fibers distribute to midfacial expression muscles, including the buccinator and upper lip elevators, and why weakness may present as impaired smile symmetry or oral incompetence after parotidectomy or trauma near the anterior border of the gland. A practical surface landmark. The illustration also supports teaching about branching variability and cross-communications between zygomatic and buccal branches that can complicate selective nerve blocks and intraoperative nerve monitoring. Use this asset in head and neck anatomy curricula, dental and maxillofacial surgery lectures, and operative atlases covering parotid approaches, facelift planes, and repair of cheek lacerations with attention to facial nerve preservation. It also suits patient education materials explaining facial palsy patterns and postoperative expectations after parotid mass excision. Anatomical accuracy verified by SciePro's Medical Advisory Board.