W6: LA and Trigeminal Nerve

Question 1

What does the trigeminal nerve come from and what does it provide?

Answer 1

sensation to face
muscles to eat

Question 2

Describe the pathway of the maxillary branch of the trigeminal nerve (CNV)

Answer 2

round hole
P fossa
Eye hole (orbit)

Question 3

What does the maxillary nerve do?

Answer 3

need it to feel different senses for the
- upper teeth
- upper gums & mucosa
- paranasal sinuses
- nose cavity
- skin of 1/3 of the face

Question 4

Label branches of the Maxillary nerve
- blue= passage way
- other colours= branches

Answer 4

Question 5

What do the palantine branches innervate?

Answer 5

https://www.youtube.com/watch?v=5A37MZ29djw

Question 6

You want to numb the upper anterior and posterior hard palate, what nerves do you block?

Answer 6

Question 7

Fill in the blanks and labels

Answer 7

naso= think nose which is front thus anterior palate

Question 8

Which nerve innervates the maxillary molars, buccal gingiva and mucosa?

Answer 8

Question 9

Which nerve supplies premolars?

Answer 9

Question 10

Which nerve arises from the infraorbital nerve in the infraorbital canal and what does it supply?

Answer 10

Question 11

Which nerves supply buccal vs palatal of maxillary teeth.

What goes numb when you block nerves related to vestibular vs lingual vs tooth?

Answer 11

Question 12

What is an infiltration injection?

Answer 12

inject on root of one of the tooth and it will lead to 2 tooth being numbed

Question 13

You want to do an anterior maxillary filling vs exo… what nerves willl you infiltrate?

Answer 13

filling= ASA labial

exo= need palatal

Question 14

You want to do a maxillary premolar filling vs exo… what nerves willl you infiltrate?

Answer 14

filling: MSA
exo: need to numb greater palatine

Question 15

You want to do a maxillary molar filling vs exo… what nerves willl you infiltrate?

Answer 15

filling= PSA
exo: GPN

Question 16

Which branch of the CNV is mixed?

Answer 16

Question 17

Name the following innervations of the mandibular nerve:

6 sensory
2 grps of motor

Answer 17

Question 18

Label the branches of the mandibular branch of CNV

Answer 18

unbranched: 2 nerves
anterior: ear, tongue, IAN, M muscle
post: masticatory M, Long sensory buccal

Question 19

Which division of the mandibular nerve is mostly motor exept for one sensory branch?

Name its branches….

Answer 19

Question 20

Which division of the mandibular nerve is mostly sensory?

Name it’s branches…

Answer 20

Question 21

What are the posterior division of the mandibular nerve (IAN branches)

Answer 21

Question 22

What nerve supplies the anterior 2/3 of the tongue?

Answer 22

– General sensation from mucosa (pain, temp, etc) – Lingual Nerve (CN V-III)
– Special sensation taste buds/taste – Chorda Tympani (CN VII) (except vallate taste buds)

Question 23

What nerve supplies the posterioe 1/3 of the tongue?

Answer 23

– General sensation – Glossopharyngeal and Vagus Nerve
– Taste of Vallate Papilla: Glossopharyngeal Nerve

Question 24

Which nerve supplies General sensation from mucosa (pain, temp, etc) for anterior 2/3 of the tongue?

Answer 24

Lingual nerve

Question 25

Which nerve provides Special sensation taste buds/taste to anterior 2/3 of the tongue?

Answer 25

CT

Question 26

What does the Glossopharyngeal nerve supply?

Answer 26

Question 27

What does the vugus supply for the tongue?

Answer 27

Question 28

Which nerve innervates the mandibular.. a) molar, PM, anterior teeth? b) buccal gums of molars, PM and anteriors c) lingual gums

Answer 28

Question 29

why are mandibular infiltrations only usually used from the 5’s and anterior?

Answer 29

thick bone

Question 30

Where do you insert the needle for an IAN block? what are the landmarks surrounding this 'point where you inject'?

Answer 30

Question 31

Aiming for the pterygomandibular space (a cleft between the pterygoid musculature and the ramus of the mandible) will end up numbing what?

Answer 31

Question 32

Answer 32

Question 33

Answer 33

Question 34

What structures does the Anterior Superior Alveolar Nerve innervate?

Answer 34

Question 35

List the structures anaesthetised by a maxillary infiltration adjacent to tooth 17

Answer 35

Question 36

List the structures anaesthetised by a maxillary infiltration adjacent to tooth 17

Answer 36

Question 37

What would be your anaesthetic approach prior to doing a filling on tooth 37?

Answer 37

IAN

Question 38

Draw a schematic of the maxillary division of trigeminal

Answer 38

Question 39

7. Draw a schematic of the mandibular division of trigeminal

Answer 39