inferior dental block

Question 1

what is the limit of LA cartridges for children?

Answer 1

4 cartridges

Question 2

what are the 3 landmarks for IDB

Answer 2

PterygoMandibular
Raphe

Ramus of
Mandible

Thumb in soft
triangular
area

Question 3

how would you angle your needle?

Answer 3

Insert needle
about mid-thumb
line.

Direct line from
lower 4 & 5 on
opposite side.
Remain on the lower
occlusal line.

Question 4

what are post op instructions for IDB?

Answer 4

Warn patient about extent of numbness.
Confirm tingling in tongue and lip.
Expect it to take a few minutes to take.
Confirm total numbness prior to beginning treatment.
Post treatment instructions given to patient.

Question 5

what anaesthetic do we not use of an IDB and why?

Answer 5

articane as its a higher concentration higher risk of inferior alveolar nerve or lingual nerve damage.

Question 6

what is the difference between lidocaine and prilocaine (citanest)?

Answer 6

lidocaine has adrenaline in it where as prilocaine (citanest) has no adrenaline its plain although prilocaine has fellypressin in it which we cannot use on pregnant patients