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Local Anesthesia > Maxillary Division > Flashcards

Maxillary Division Flashcards

1
Q

What does V2 Maxillary Nerve supply?

A

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

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2
Q

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

A

Middle Meningeal Nerve

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3
Q

What does the Branch Middle Meningeal Nerve supply?

A

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

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4
Q

Then what does V2, Maxillary course through?

A

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

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5
Q

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

A

Zygomatic, Pterygopalatine, Posterior Superior Alveolar, Infraorbital

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6
Q

What are the 2 sub-branches off Zygomatic

A

Zygomaticofacial & Zygomaticotemporal

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7
Q

The Zygomatic courses through…

A

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

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8
Q

What does sub-branch Zygomaticofacial Supply?

A

Supplies sensory to skin over the zygomatic bone

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9
Q

What does sub-branch Zygomaticotemporal Supply?

A

Supplies sensory to anterior portion of temporal fossa

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10
Q

Where does the Pterygopalatine Nerves stay?

A

Unite/stay @ Pterygopalatine Ganglion

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11
Q

What are the 4 sub-branches off Pterygopalatine Nerves

A

Orbital, Nasal, Palatine, and Pharyngeal

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12
Q

What does the Orbital branch course/supply?

A

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

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13
Q

What does the Nasal branch course/travel through?

A

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

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14
Q

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

A

The Nasopalatine Nerve

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15
Q

Where is the location of the sphenopalatine foramen?

A

it’s on the medial wall of the Pterygopalatine Fossa

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16
Q

What 2 structures does the Nasopalatine Nerve supply?

A

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

17
Q

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

A

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

18
Q

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

A

Greater Palatine Nerve & Lesser Palatine Nerve

19
Q

What 2 structures does the Greater Palatine Nerve supply?

A

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

20
Q

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

A

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)

21
Q

What does the Pharyngeal Branch supply/course through?

A

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

22
Q

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

A

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

23
Q

What does the External Branch of PSA supply?

A

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

24
Q

What does the Internal Branch of PSA supply?

A

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

25
Q

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

A

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

26
Q

What are the 5 sub-branches of Infraorbital Nerve?

A

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

27
Q

What does the MSA course through/supply?

A

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

28
Q

What does the ASA course through/supply?

A

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

29
Q

What does the Lateral Nasal Nerve Supply?

A

side of nose

30
Q

What does the Superior Labial Nerve Supply?

A

upper lip

31
Q

What does the Inferior Palpebral Nerve Supply?

A

lower eyelid

Local Anesthesia (3 decks)

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