Anterior superior alveolar nerve

Anterior superior alveolar nerve
Distribution of the maxillary and mandibular nerves, and the submaxillary ganglion.
Alveolar branches of superior maxillary nerve and sphenopalatine ganglion.
Details
From	Infraorbital nerve
Innervates	dental alveolus
Identifiers
Latin	rami alveolares superiores anteriores nervi maxillaris, ramus alveolaris superior anteriores
TA98	A14.2.01.052
TA2	6241
FMA	52935
Anatomical terms of neuroanatomy [edit on Wikidata]

The anterior superior alveolar nerve (or anterior superior dental nerve), is a branch of the infraorbital nerve, itself a branch of the maxillary nerve (V₂). It branches from the infraorbital nerve within the infraorbital canal before the infraorbital nerve exits through the infraorbital foramen. It descends in a canal in the anterior wall of the maxillary sinus, and divides into branches which supply the incisor and canine teeth.^[1]

It communicates with the middle superior alveolar nerve, and gives off a , which passes through a minute canal in the lateral wall of the inferior meatus, and supplies the mucous membrane of the anterior part of the inferior meatus and the floor of the nasal cavity, communicating with the nasal branches from the sphenopalatine ganglion.

Dental considerations for this nerve are important. The anterior superior alveolar usually innervates all anterior teeth, loops backwards to join the middle superior alveolar nerve to form the superior dental plexus.

See also[]

• Anterior superior alveolar arteries
• Middle superior alveolar nerve
• Posterior superior alveolar nerve

References[]

This article incorporates text in the public domain from page 891 of the 20th edition of Gray's Anatomy (1918)

External links[]

• MedEd at Loyola GrossAnatomy/h_n/cn/cn1/cnb2.htm
• cranialnerves at The Anatomy Lesson by Wesley Norman (Georgetown University) (V)

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