Mandibular LA

Question 1

name this nerve

Answer 1

lingual nerve

Question 2

name this nerve

Answer 2

long buccal nerve

Question 3

name this nerve

Answer 3

inferior alveolar nerve

Question 4

name this nerve

Answer 4

mental nerve

Question 5

name this nerve

Answer 5

incisive nerve

Question 6

name this muscle and nerve

Answer 6

parotid gland
CNVII

Question 7

name this nerve

Answer 7

inferior alveolar nerve

Question 8

name this nerve

Answer 8

lingual nerve

Question 9

name this nerve

Answer 9

long buccal nerve

Question 10

name this nerve

Answer 10

mental nerve

Question 11

name this muscle

Answer 11

medial pterygoid

Question 12

name this muscle

Answer 12

lateral pterygoid

Question 13

name this muscle

Answer 13

buccinator

Question 14

name this structure

Answer 14

pterygomandibular raphe

Question 15

Answer 15

inferior alveolar nerve

Question 16

Answer 16

incisive nerve

Question 17

Answer 17

lingual nerve

Question 18

Answer 18

long buccal nerve

Question 19

Answer 19

mental nerve

Question 20

what needle do you use for mandibular block injections?

Answer 20

long needle
35mm 27gauge

Question 21

what is the lateral border of the pterygomandibular space?

Answer 21

ramus of mandible

Question 22

what is the medial border of the pterygomandibular space?

Answer 22

medial pterygoid muscle

Question 23

what is the posterior border of the pterygomandibular space?

Answer 23

parotid gland (and CNVII)

Question 24

what is the anterior border of the pterygomandibular space?

Answer 24

buccinator

Question 25

what is the superior border of the pterygomandibular space?

Answer 25

lateral pterygoid muscle

Question 26

what is the risk of inferior alveolar nerve block?

Answer 26

high risk of IV injection due to neurovascular bundle

Question 27

describe how you find the location of the injection site for inferior alveolar nerve block

Answer 27

Thumb in coronoid notch Lateral to pterygomandibular raphe 1cm above lateral plane

Question 28

what angle should the needle be when giving inferior alveolar nerve block?

Answer 28

so syringe is over premolars on opposite side

Question 29

how deep should you insert the needle for inferior alveolar nerve block?

Answer 29

till reach bone - about 2.5cm so 1cm left out withdraw needle by 1-2mm

Question 30

once the needle is in the right place what do you have to do before injecting the LA?

Answer 30

aspirate

Question 31

how much LA do you inject for inferior alveolar nerve block?

Answer 31

1.5-2ml

Question 32

what do you have to do before you can start treatment after giving IANB?

Answer 32

wait for it to work

Question 33

what is a key sign that IANB has worked?

Answer 33

if the lip is numb as mental nerve is branch of inferior alveolar nerve

Question 34

what is the injection site for lingual nerve block?

Answer 34

same as IANB but 1cm more anteromedial can often withdraw needle by 1cm, aspirate and inject again to get lingual after IAN

Question 35

what is a key sign that a lingual nerve block has worked

Answer 35

half tongue numb

Question 36

what is the risk of buccal nerve block?

Answer 36

higher up in the pterygomandibular space so more likely to hit pterygoid venous plexus

Question 37

where is the injection site for buccal nerve block?

Answer 37

Question 38

where is the injection site for mental/incisive nerve block?

Answer 38

between apices of premolars

Question 39

if you give a mental/incisive nerve block and the lip is numb, what does this tell you?

Answer 39

you've got the mental nerve but not necessarily the incisive nerve so don't know if the teeth are numb

Question 40

when do you give mandibular infiltrations?

Answer 40

if IAB fails

Question 41

how much LA do you use for a buccal mandibular infiltration only?

Answer 41

1ml

Question 42

what is the success rate of mandibular infiltration alone?

Answer 42

50%

Question 43

how much LA do you give if doing a buccal and lingual mandibular infiltration?

Answer 43

split dose 0.5ml each

Question 44

what is the success rate of a lingual and buccal infiltration together?

Answer 44

90%

Question 45

with a lingual infiltration how long do you have to wait for pulpal anaesthesia?

Answer 45

8-10mins

Question 46

why would you do molar infiltrations over blocks?

Answer 46

Easier, lower risk of IV injection, can make injection more comfortable with topical

Question 47

learn

Question 48

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Question 49

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Question 50

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Question 51

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