NEET PG DENTAL EXAM

Detailed explanation-1: -The temporal branch – innervating the frontalis and orbicularis oculi muscles and the muscles in the upper part of the face. The zygomatic branch – innervating the middle part of the face. The buccal branch – innervating the cheek muscles, including the buccinator muscle.

Detailed explanation-2: -The zygomatic branch is the most important for eye closure and commissure elevation (smile). There is a branch arising from the zygomatic that supplies both the zygomaticus major muscle proximally and the palpebral portion of the orbicularis oculi distally. This nerve is referred to as the nerve to zygomaticus major.

Detailed explanation-3: -Buccal branch (orbicularis pros, buccinator, and zygomatic muscles (around lips, cheeks, and corners of the mouth)) Marginal mandibular branch (mentalis muscle (lower lip and chin))

Detailed explanation-4: -The principal muscles are the frontalis, orbicularis oculi, buccinator, orbicularis oris, platysma, the posterior belly of the digastric, and the stapedius muscle.