OSCE 3

Question 1

what is primary support areas in the maxilla

Answer 1

hard palate and maxillary tuberosity

Question 2

what is secondary support areas in the maxilla

Answer 2

alveolar ridge, ruggae area, buccal shelves

Question 3

where should the post dam be

Answer 3

along the vibrating line, in front of the palatine fovea and through the hamular notches

Question 4

what areas must be relieved in a maxillary denture

Answer 4

incisive papilla and palatine torus
labial and buccal fraena

Question 5

what is the primary support area in the mandible

Answer 5

buccal shelf, pear shaped pad

Question 6

what is the secondary support area in the mandible

Answer 6

buccal and lingual slopes of alveolar ridge

Question 7

what is the prescription for oxygen

Answer 7

15L per min

Question 8

what is the prescription for salbutamol

Answer 8

two 100 microgram actuations

Question 9

what is the prescription for midazolam

Answer 9

squirt 10mg into buccal sulcus

Question 10

what is the prescription for adrenaline

Answer 10

0.5mg of 1:1000 adrenaline given IM in the leg

Question 11

what is the prescription for GTN spray

Answer 11

two actuations sublingually to deal with acute stable angina

Question 12

what is the prescription for aspirin

Answer 12

300mg taken crushed or chewed for MI

Question 12

what is the prescription for aspirin

Answer 12

300mg taken crushed or chewed for MI

Question 13

what is the prescription for glucagon

Answer 13

1mg intramuscular injection for hypoglycaemic coma

Question 14

what is an example of a polyether

Answer 14

impregum

Question 15

what is an example of an irreversible hydrocolloid

Answer 15

alginate

Question 16

what is an example of an addition silicone

Answer 16

extrude

Question 17

what is an example of a non-elastic impression material

Answer 17

impression compound

Question 18

give five ways to achieve moisture control in paeds

Answer 18

dental dam
cotton wool rolls
parotid shield
aspirator
saliva ejector

Question 19

what is the first stage in complete dentures

Answer 19

primary impressions in alginate or impression compound

Question 20

what do you ask the lab for after the first complete denture visit

Answer 20

please pour in 50/50 plaster/ stone, construct upper and lower custom trays in light cured PMMA non-perforated with upper 2mm spacing and lower 1mm spacing, intra-oral handles and finger stops

Question 21

what is the second stage in complete dentures

Answer 21

master impressions in silicone or polyether

Question 22

what do you as the lab for after the second complete dentures visit

Answer 22

please pour in 100% dental stone and construct wax rims for jaw registration - return rims on cast

Question 23

what is the third stage in complete dentures

Answer 23

jaw registration

Question 24

what do you ask the lab for after the third complete dentures visit

Answer 24

p[lease mount casts in registration and set teeth for wax trial - return wax trial dentures on mounted casts

Question 25

what is the fourth stage in complete dentures

Answer 25

trial

Question 26

what do you ask the lab for after the fourth complete dentures visit

Answer 26

ask for retrial if required or please finish in heat cured PMMA and return on casts

Question 27

what is the fifth stage in complete dentures

Answer 27

delivery

Question 28

what is angina

Answer 28

chest pain due to ischemia - lack of blood flow and therefore lack of oxygen

Question 29

what pulp nerve fibres are activated for short sharp pain that resolves in 5-10 seconds in reversible pulpitis

Answer 29

A delta

Question 30

what pulpal nerve fibres are activated for the dull aching pains of irreversible pulpitis

Answer 30

C fibres

Question 31

what local anaesthetic should you use for people with high BP or heart problems

Answer 31

adrenaline free - prilocaine with felypressin

Question 32

what is in citanest

Answer 32

prilocaine with felypressin

Question 33

what does a couplands elevator look like

Answer 33

spoon shaped, straight end, not sharp

Question 34

what does a cryers elevator look like

Answer 34

breaks bone inbetween roots, pointed tip - looks like a golf vlub

Question 35

what ortho components are used to treat anterior crossbite

Answer 35

A - z spring 0.5mm HSSW R - Adams clasps 0.7mm HSSW A B - self cure PMMA

Question 36

what ortho components are used to treat a posterior crossbite

Answer 36

A - mid palatal screw 0.5MM HSSW R - adams clasps 0,7MM HSSW A B - self cure PMMMA and posterior bite plane

Question 37

what ortho components are used to retract canines

Answer 37

A - palatal finger springs and guard on the 3s 0.5mm HSSW R - adams clasps on the 6s 0.7mm HSSW A B self cure PMMA

Question 38

what ortho components are used to move canines more palatally

Answer 38

A - buccal canine retractors or the 3s 0.5mm HSSW R - adams clasps on the 6s 0.7mm HSSW and southend clasp 0.7mm HSSW A B - self cure PMMA

Question 39

what ortho components are used to treat an overbite

Answer 39

A - roberts retractor on anteriors 0.5mm HSSW R - adams clasps 0.7mm HSSW A B - self cure PMMA and FABP (OJ plus 3mm)