Maxillary Division

Question 1

What does V2 Maxillary Nerve supply?

Answer 1

Supplies maxillary facial & lingual gingiva, Max teeth, palatal mucosa, nasopharynx, hard/soft palate

Question 2

What is the branch given off @ middle cranial fossa of V2 Maxillary

Answer 2

Middle Meningeal Nerve

Question 3

What does the Branch Middle Meningeal Nerve supply?

Answer 3

Supply sensory to dura (tough fibrous membrane) to cover brain/spinal cord

Question 4

Then what does V2, Maxillary course through?

Answer 4

Courses through foramen rotundum-to- Pterygopalatine Fossa (Pterygopalatine Ganglion-bulge/bump)

Question 5

What are the 4 branches of V2, given off at the Pterygopalatine Fossa?

Answer 5

Zygomatic, Pterygopalatine, Posterior Superior Alveolar, Infraorbital

Question 6

What are the 2 sub-branches off Zygomatic

Answer 6

Zygomaticofacial & Zygomaticotemporal

Question 7

The Zygomatic courses through…

Answer 7

Leaves Pterygopalatine fossa-through- infraorbital fissure-into- the orbit

Question 8

What does sub-branch Zygomaticofacial Supply?

Answer 8

Supplies sensory to skin over the zygomatic bone

Question 9

What does sub-branch Zygomaticotemporal Supply?

Answer 9

Supplies sensory to anterior portion of temporal fossa

Question 10

Where does the Pterygopalatine Nerves stay?

Answer 10

Unite/stay @ Pterygopalatine Ganglion

Question 11

What are the 4 sub-branches off Pterygopalatine Nerves

Answer 11

Orbital, Nasal, Palatine, and Pharyngeal

Question 12

What does the Orbital branch course/supply?

Answer 12

Course Pterygopalatine Fossa-through-infraorbital fissure-into- Orbit. Supply Periosteum of Orbit/Sphenoid Sinus

Question 13

What does the Nasal branch course/travel through?

Answer 13

Pterygopalatine Fossa-to- Sphenopalatine Foramen-to- Nasal Cavity (nasal septum)-to- incisive canal, where the two nerves UNITE to form 1 nerve-through- incisive foramen

Question 14

What is the 1 sub/sub-division of the Nasal Branch

Answer 14

The Nasopalatine Nerve

Question 15

Where is the location of the sphenopalatine foramen?

Answer 15

it’s on the medial wall of the Pterygopalatine Fossa

Question 16

What 2 structures does the Nasopalatine Nerve supply?

Answer 16

Lingual Gingiva of Max Anterior Teeth & Palatal Mucosa in Pre-Maxilla area (anterior to canines)

Question 17

Where does the Greater Palatine Nerve branch course/travel through?

Answer 17

Pterygopalatine Fossa-to- Pterygopalatine Canal-to- Greater Palatine Canal-to- Greater Palatine Foramen (distal to Max 2nd molar)-to- Palatine Groove (where the vertical meets horizontal), upto the pre-maxilla

Question 18

What are the 2 sub/sub-divisions of the Palatine Branch?

Answer 18

Greater Palatine Nerve & Lesser Palatine Nerve

Question 19

What 2 structures does the Greater Palatine Nerve supply?

Answer 19

Supplies Lingual Gingiva of Max Posterior Teeth & Palatal Mucosa to Midline.

Question 20

What does the Lesser Palatine Nerve course/travel through/supply?

Answer 20

Through Pterygopalatine Fossa-to- Pterygopalatine Canal-to- Lesser Palatine Canal-to- Lesser Palatine Foramen, supplies Sensory to mucous membrane of soft palate, 2-3mm distal to GP (if inject too distal, patient can’t breath)

Question 21

What does the Pharyngeal Branch supply/course through?

Answer 21

No oral supply, however, supplies mucous membrane of nasopharynx, Pterygopalatine Fossa-to- Pharyngeal Canal-to- Nasopharynx (branches off V2 before infraorbital fissure)

Question 22

What does the Posterior Superior Alveolar Nerve course/travel through?

Answer 22

Pterygopalatine Fossa -to- External Branch (to- Infratemporal surface of posterior maxilla), and to- Internal Branch (into-PSA Foramina)

Question 23

What does the External Branch of PSA supply?

Answer 23

Facial Gingiva of Max Molars, except, for Mesio-buccal root of 1st Molar

Question 24

What does the Internal Branch of PSA supply?

Answer 24

Maxillary Molars, except, for Mesio-buccal root of 1st Molar

Question 25

What does the Infraorbital Nerve (continuation of Max Nerve, when pass infraorbital fissure becomes Infra. nerve) courses/travel through?

Answer 25

Through Pterygopalatine Fossa-to- Infraorbital Fissure-to-Infraorbital Groove-to-Infraorbital Canal-to- Infraorbital Foramen, then exit Orbit

Question 26

What are the 5 sub-branches of Infraorbital Nerve?

Answer 26

Middle Superior Alveolar (MSA), Anterior Superior Alveolar (ASA), Lateral Nasal, Superior Labial, Inferior Palpebral

Question 27

What does the MSA course through/supply?

Answer 27

descends lateral wall of Max Sinus, branches off while in infraorbital canal, supplies Facial Gingiva of Max Premolars & MB root of 1st Molar

Question 28

What does the ASA course through/supply?

Answer 28

descends anterior wall of Max sinus, supplies Facial Gingiva of Max Anterior Teeth & Max Anterior Teeth

Question 29

What does the Lateral Nasal Nerve Supply?

Answer 29

side of nose

Question 30

What does the Superior Labial Nerve Supply?

Answer 30

upper lip

Question 31

What does the Inferior Palpebral Nerve Supply?

Answer 31

lower eyelid