OSCE

Question 1

How do you mix Kalzinol?

Answer 1

Place an appropriate amount of powder and liquid onto a clean glass slab, incorporate successive small portions of powder into the liquid ensuring complete mixing of each addition, continue adding until a putty like consistency is obtained (roll into sausage)

Question 2

What is Kalzinol used for?

Answer 2

• Base under filling materials
• Soothing temporary filling
• Temporary seal for medicament dressings
• Indirect pulp capping

Question 3

What powder:liquid ratio should Kalzinol be mixed in for all applications?

Answer 3

5:1

Question 4

What is the mixing time of Kalzinol?

Answer 4

1-1.5 mins

Question 5

What is the working time for Kalzinol?

Answer 5

2 mins from end of mix

Question 6

What is the setting time for Kalzinol?

Answer 6

3 mins 30 and 4 mins 30

Question 7

What is the effect of warm conditions on working and setting time of Kalzinol?

Answer 7

Decreases working and setting time

Question 8

What is the effect of cold conditions on working and setting time of Kalzinol?

Answer 8

Increases working and setting time

Question 9

How do you finish Kalzinol?

Answer 9

Once set (approx 3 mins after being in mouth) it can be trimmed and finished

Question 10

When should Kalzinol not be used?

Answer 10

As a base for composite reactions (may cause softening of the overlaying composite material)

Question 11

What type of material is Kalzinol?

Answer 11

A polymer reinforced fast setting zinc oxide eugenol cement (Dentine shade)

Question 12

How do you mix alginate?

Answer 12

Shake container before to loosen the powder, use a measuring scoop for powder and beaker for water, place the powder into the mixing bowl and add the water, mix to a homogenous consistency

Question 13

What type of material is alginate?

Answer 13

Irreversible hydrocolloid impression material

Question 14

What are the indications for using alginate?

Answer 14

• Case study models
• Orthodontic models
• Opposing models
• Removable partial dentine frameworks, not involving transfers and/or precision attachments
• Removable retainers or splints
• Provisional restorations

Question 15

What is the mixing time for alginate?

Answer 15

30 seconds

Question 16

What is the working time for alginate?

Answer 16

60 seconds

Question 17

What is the setting time for alginate?

Answer 17

2 minutes

Question 18

How do you thread a siquevland matrix?

Answer 18

** pic **

Question 19

Williams probe markings:

Answer 19

** pic **

Question 20

What is this? ** pic **

Answer 20

Lecron

Question 21

What is this? ** pic **

Answer 21

Willis bite gauge

Question 22

What is this? ** pic **

Answer 22

Fox’s bite plane

Question 23

What is Aquasem?

Answer 23

Translucent GIC luting material

Question 24

What is Aquasem used for?

Answer 24

• Cementing halls crowns

- Cementing crowns, bridges, inlays and orthodontic bands

Question 25

What material is used for cementing halls crowns?

Answer 25

Aquasem

Question 26

How do you mix Aquasem?

Answer 26

Use 2 scoops powder to 4 drops of distilled water, divide the powder into two halves, mix one half with the water.... as soon as the first half is wetted add the second half and mix thoroughly = smooth creamy consistency

Question 27

What is the mixing time for Aquasem?

Answer 27

15 seconds

Question 28

What is the working time for Aquasem?

Answer 28

2.5mins

Question 29

What is the setting time for Aquasem?

Answer 29

3.5-5 mins

Question 30

What are properties of aquasem that make it ideal?

Answer 30

- Safe and easy to use - forms chemical bond to dentine and enamel - Anticariogenic (fluoride releasing) - High compressive strength, low solubility and low film thickness - Translucency, fluoride release and radiopacity

Question 31

Which instrument should be used to extract a buccally located 8?

Answer 31

Warwick james

Question 32

What are cryers elevators used to do?

Answer 32

Remove roots

Question 33

What are luxators used to do?

Answer 33

(rounded top) remove tooth from bone

Question 34

What instrument is this? **pic**

Answer 34

Warwick james

Question 35

What instrument is this? **pic**

Answer 35

Cryers

Question 36

What instrument is this? **pic**

Answer 36

Luxator

Question 37

What instrument is this? **pic**

Answer 37

Elevator

Question 38

What does the flat top of the elevator achieve?

Answer 38

Detach PDL

Question 39

Which teeth are these used to extract? (straight line forceps pic)

Answer 39

Upper teeth (straight handle

Question 40

Which teeth are these used to extract? (90 degree forceps pic)

Answer 40

Lower teeth (90 degree angle)

Question 41

What instrument is this? **pic**

Answer 41

Bayonettes

Question 42

What are bayonettes used for?

Answer 42

For upper 8's (really long)

Question 43

How does a dry mouth affect the dentition?

Answer 43

Increased caries (less action of saliva as buffer), caries more cervically placed

Question 44

If someone starts suffering Angina in the chair what do you do?

Answer 44

Sit pt up and give GTN spray sublingual 400mg and wait 3-5 mins

Question 45

If someone goes into cardiac arrest in the chair what do they look like?

Answer 45

Grey, death like, sense of impending doom

Question 46

If someone goes into cardiac arrest in the chair what do you do?

Answer 46

Chewable aspiring 300mg, 50:50 nitrous and oxygen, can also give GTN

Question 47

If someone is collapsed what do you do?

Answer 47

Check area is safe, shake shoulder, can you hear me? I am kayleigh and I am going to help you, check airways, feel breath and CPR

Question 48

What amounts of chest compressions to breaths do you do in CPR?

Answer 48

2:30

Question 49

If someone is having epilepsy what will you see?

Answer 49

Dizziness, sweaty, convulsions

Question 50

What do you do if someone starts having a seizure?

Answer 50

- Midazolam buccally, let them fit, remove glasses or bag but if >5 mins call 999 (status epilepticus) OR if its their first fit - Cover with blanket, will probably wet themselves and protect their heads

Question 51

How does someone who is hypoglycaemic appear?

Answer 51

Sweating and agitated

Question 52

How do you treat a hypoglycaemic patient?

Answer 52

If can drink = glucose drink, if cannot drink = hypostopgel into buccal gums or IM glucagon if unresponsive

Question 53

When might IM glucagon not help?

Answer 53

If alcoholic (liver impairment) or anorexics (no glucose reserve)