LA Flashcards
1
Q
What type of needle is used for an infiltration?
A
25mm
30 gauge
2
Q
where do you insert the needle for an infiltration?
A
apex of tooth
3
Q
what type of anaesthetic is used?
A
lidocaine
4
Q
how would you retract tissues?
A
with mirror or fingers
5
Q
at what angle do you inject?
A
45 degrees to bone
6
Q
how far in do you inject?
A
until hit bone
7
Q
what do you do when you hit bone?
A
pull back by 1mm and aspirate
8
Q
why do you aspirate?
A
ensures you dont inject intravascularly
9
Q
how do you aspirate?
A
withdraw needle to create negative pressure at the tip
10
Q
how would you know if you have injected into a vessel?
A
blood present when you aspirate
11
Q
how do you know your infiltration has worked?
A
numb labial tissues
12
Q
at what rate do you inject?
A
1ml/ minute
