Infraorbital Nerve at Anatomy

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Infraorbital Nerve. It is a sensory nerve that leaves the floor of the orbit through the infraorbital foramen and innervates the upper incisors and canine teeth, the mucosa of the maxillary sinus, and the skin of the lower eyelid, cheek, side of the nose, and upper lip. This will gradually get better in most cases.

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Course the maxillary nerve (v2) is one of the branches of the trigeminal nerve (v). It is present bilaterally below the bony margin housing the eyeball. The infraorbital nerve exits the cranium through the infraorbital foramen, which is palpable 1 cm below the inferior border of the infraorbital ridge, directly below the pupil when the patient is looking straight ahead.

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The infraorbital nerve, which is the terminal branch of trigeminal nerve, exits the maxilla via the infraorbital foramen and provides sensory innervation to the lower eyelid, upper lip, and one side of the nose. An infraorbital nerve block is very useful for procedures that involve the skin between the lower eyelid and upper lip and for dental procedures on the ipsilateral maxillary. This does appear to be an injury to the infraorbital nerve. It is a sensory nerve that leaves the floor of the orbit through the infraorbital foramen and innervates the upper incisors and canine teeth, the mucosa of the maxillary sinus, and the skin of the lower eyelid, cheek, side of the nose, and upper lip.