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The buccal nerve (long buccal nerve) is a sensory nerve of the face arising from the mandibular nerve (CN V3) (which is itself a branch of the trigeminal nerve). It conveys sensory information from the skin of the cheek, and parts of the oral mucosa, periodontium, and gingiva.
The deep branches pass beneath the zygomaticus and the quadratus labii superioris, supplying them and forming an infraorbital plexus with the infraorbital branch of the maxillary nerve. These branches also supply the small muscles of the nose.
The mandibular nerve gives off the following branches: From the main trunk (before the division): meningeal branch (nervus spinosus) (sensory) medial pterygoid nerve (motor) From the anterior division: masseteric nerve (mixed) deep temporal nerves (mixed) buccal nerve (sensory) lateral pterygoid nerve (motor) From the posterior division:
The risk of nerve injury in relation to mandibular dental implants is not known but it is a recognised risk requiring the patient to be warned. [10] If an injury occurs urgent treatment is required. The risk nerve injury in relation deep dental injections has a risk of injury in approximately 1:14,000 with 25% of these remaining persistent.
The lingual branch of the mandibular division (V3) of the trigeminal nerve supplies non-taste sensation (pressure, heat, texture) to the anterior part of the tongue via general somatic afferent fibers. Nerve fibers for taste are supplied by the chorda tympani branch of the facial nerve via special visceral afferent fibers. [10]
The 42nd edition of Gray's Anatomy (2020) describes a parotid-masseteric fascia as a thin and translucent yet tough fascia that covers the parotid duct, buccal branches of facial nerve (CN VII), and branches of the mandibular nerve where these structures lie upon the surface of the masseter muscle.
The lingual nerve supplies general somatic afferent (i.e. general sensory) innervation to the mucous membrane of the anterior two-thirds of the tongue (i.e. body of tongue) (whereas the posterior one-third (i.e. root of tongue) is innervated via the glossopharyngeal nerve (CN IX) [citation needed]), the floor of the oral cavity, and the mandibular/inferior lingual gingiva.
Axillary nerve; Brachial plexus; Buccal branch of the facial nerve; Buccal nerve; Cardiac plexus; Cavernous nerves; Cavernous plexus; Celiac ganglia; Cervical branch of the facial nerve; Cervical plexus; Chorda tympani; Ciliary ganglion; Coccygeal nerve; Cochlear nerve; Common fibular nerve; Common palmar digital nerves of median nerve; Deep ...