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Flashcards in LA Deck (16)
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1

What teeth would you use articaine on?

6, 7, 8's

2

When would you use a block?

On lower 6's

3

How long is a short needle?

25mm

4

What is the gauge of a short needle?

30

5

How long is a long needle?

35mm

6

What is the gauge of a long needle?

27

7

What cartridges are latex free?

Lignospan special
Utilycaine
Scandonest
Bartinest
Septa nest
Citanest 3% with octapressub

8

How many ml are in a cartridge?

2.2ml or 1.8ml

9

What is in a cartridge?

Anaesthetic agent
+/- vasoconstrictor
+/- stabiliser/ preservative
Isotonic carrier medium

10

What does aspiration aid?

The prevention of intravascular injection

11

How is aspiration achieved?

By lowering the pressure in the cartridge

12

What is the problem with aspiration?

Could give false negatives (may be due to needle blockage)

13

What should you check for aspiration? (3)

- check for the "peg" on the needle end of the inside of the syringe barrel
- check bung
- check the plunger

14

Where should the bevel be placed?

Black bit should be on the side nearest the tooth

15

How would you do an infiltration on the lower incisors? What is the success rate of this?

0.5ml lidocaine labial
0.5ml lidocaine lingual
93% success

16

What is the gauge number?

Width of the needle