Greater Palatine

Question 1

What is the bony target for the greater palatine?

Answer 1

Greater palatine foramen

Question 2

What is the soft tissue landmark for the greater palatine?

Answer 2

Slightly distal, approx. 1 cm medial to the 2nd molar, can palpate with cotton bud, junction of soft and hard palate at greatest angle of hard palate

Question 3

What is the syringe orientation for a greater palatine?

Answer 3

Advance syringe from opposite side approx. 45 degrees

Question 4

What is the needle depth for the greater palatine?

Answer 4

2-3mm

short needle 25mm

Question 5

What amount of LA is deposited for a greater palatine block?

Answer 5

0.25 - 0.5ml (under ¼ of a cartridge) - see blanching

Question 6

What is the target nerve of the GP?

Answer 6

The greater palatine

Question 7

What structures are anaesthetized for the GP?

Answer 7

Palatal gingiva and mucosa of posterior 2/3 of the hard palate, ipsilateral to side of injection

Question 8

What are the precautions/considerations for the greater palatine?

Answer 8

• will see tissue blanching

- can use pressure technique to minimise discomfort

Question 9

How many planes do you aspirate in for the Greater Palatine?

Answer 9

2 plane, site of exit of greater palatine artery also