general

Question 1

Dirty Instruments - choose between autoclave, black bin, sharps, clinical waste and white/red bin.

• mandrel
• outer packaging from equipment
• burs
• restorative kits
• cups
• 3 in 1 and suction
• dressing towels
• unused amalgam
• forceps
• matrix band
• LA cartridge
• dressing towels
• endo ray basket
• suction adapter
• endo ray ring and arm

Answer 1

autoclave
* mandrel
* restorative kits
* forceps
* suction adapter
* endo ray ring and arm

black bin - anything not contaminated by blood / bodily fluids.
* outer packaging
* cups

sharps
* LA cartridge
* burs
* matrix band

clinical waste
* 3 in 1, suction
* dressing towels
* endo ray basket

white and red bin
* unused amalgam / teeth with amalgam

Question 2

If AB prophylaxis is required, what is the appropriate regiment?

Answer 2

adults -
amoxicillin 3g oral powder sachet, 1 hour before procedure.

children - 6 months-17
amoxicillin 250mg/5ml oral suspension
OR
3g oral powder sachet

Question 3

Palsy of which nerve can occur following an IDB

Answer 3

facial nerve

Question 4

Complication of facial nerve palsy may result in failure to close eyelid and therefore rapid drying of the cornea.

How should this be managed?

Answer 4

1. stop tx
2. reassure pt and explain what has happened
3. eye drops / patch
4. send home with escort
5. review pt

Question 5

Legally required drugs in a ME kit:

Answer 5

• adrenaline (1:1000)
• aspirin 300mg
• glucagon injection (1mg)
• glucose
• GTN spray (400 micrograms)
• midazolam oromucosal solution
• salbutamol inhaler (100 micrograms)
• oxygen + non-rebreathe mask

Question 6

Legally required equipment in ME kit:

Answer 6

• AED
• adhesive defib pads
• clear face masks for self-inflating bag
• oropharyngeal airways
• oxygen non-rebreathe mask and tubing
• pocket mask
• PPE
• razor
• scissors
• needles and syringes for ampules

Question 7

Which nerve supplies upper incisors and canines?

Answer 7

anterior superior alveolar (branch of infraorbital)

Question 8

Which nerve supplies upper premolars?

Answer 8

middle superior alveolar

Question 9

Which nerve supplies upper molars?

Answer 9

posterior superior alveolar

Question 10

Which nerve supplies palatal tissues?

Answer 10

greater palatine nerve (posteriors) or nasopalatine nerve (anteriors)

Question 11

Which nerve supplies lower incisors, canines, premolars?

Answer 11

incisive branch of inferior alveolar nerve

Question 12

How would you anaesthetise mandibular incisors, canines, premolars?

Answer 12

mental block or infiltration

Question 13

Which nerve supplies lower molars?

Answer 13

Inferior Alveolar Nerve

Question 14

How would you anaesthetise lower molars?

Answer 14

IDB

Question 15

Which nerve supplies lower buccal tissue?

Answer 15

long buccal nerve

Question 16

Which nerve supplies lower lingual tissues?

Answer 16

lingual nerve (usually aesahetised with IDB)

Question 17

Which pharyngeal arch are the muscles of mastication derived from?

Answer 17

first

Question 18

Function of Masseter

Answer 18

elevates mandible - closes mouth

Question 19

Function of lateral pterygoid -

Answer 19

depresses chin and protracts mandible, moves side to side.

Question 20

Function of medial pterygoid -

Answer 20

elevates the mandible, closes mouth.

Question 21

Function of temporalis -

Answer 21

elevates mandible AND retracts

Question 22

Which muscle of facial expression does the ID nerve pass through?

Answer 22

buccinator

Question 23

Mnemonic for extra ocular muscles:
LR6 SO4, All the Rest 3

Answer 23

LR6 - Lateral Rectus CN 6 (abducens)
SO4 - Superior Oblique CN 4 (trochlear)
all the rest 3 - remaining EO muscles are CN 3 (oculomotor nerve)

Question 24

Which EO muscle will be impacted in an inferior OR lateral orbital blowout fracture?

Answer 24

lateral rectus

Question 25

Which EO muscle is impacted in a **SUPERIOR orbital blowout fracture**

Answer 25

superior oblique