Describe the maxillary and mandibular nerves.

Maxillary nerve(V2) has 3 branches:
1)Zygomaticotemporal branch
2)Zygomaticofacial branch
3)Infra-orbital branch

-it exit the skull via foramen rotundum


Zygomaticotemporal
-exit zygomatic bone
-supply small area of anterior temple above the zygomatic arch

Zygomaticotfacial
-exit zygomaticofacial foramen
-supply skin on zygomatic bone

Infra-orbital
-exit maxilla via infra-orbital foramen and immediately divide into multi branch
-supply lower eye lid, side of nose, cheek and upper lip



Mandibular nerve (V3) has 3 branches as well:
1)Auriculotemporal branch
2)Buccal branch
3)Mental branch

-it exit the via foramen ovale


Auricotemporal
-enter the face posterior to the temporalmandibular joint
-passes through the parotid gland
-ascend just anterior to the ear
-supply external acoustic meatus & tympanic membrane & large area if temple

Buccal
-on the surface of buccinator muscle
-supply the cheek

Mental
-exit mandible via mental foramen
-immediately divide into multi branch
-supply skin and mucous membrane of lower lip and skin of chin


Contributed by Lawrence Oh