OSCE wolfson

Question 1

Name 3 appropriate storage media for an avulsed tooth?

Answer 1

Milk
Saliva
Saline (pysiological)
blood

Question 2

List the dental features of digit sucking?

Answer 2

AOB
Proclined upper incisors
Retroclinced lower incisors
Smaller maxilla, which usually results in a unilateral posterior crossbite.

Question 3

List 4 methods to break digit sucking?

Answer 3

Bad tasting nail polish
Dummy
Specialised URA 
Positive reinforcement behaviour techniques.
finger guard 
Roleplay

Question 4

What blood tests can be used to measure a patient’s control of diabetes. What are the normal values for these tests?

Answer 4

The A1C test measures your average blood sugar level over the past 2 or 3 months. An A1C below 5.7% is normal, between 5.7 and 6.4% indicates you have prediabetes, and 6.5% or higher indicates you have diabetes.

Question 5

Name the types of injections you will need to give to anaesthetise the 48?

Answer 5

IANB
Long buccal
Need to numb the inferior alveolar nerve, lingual nerve and long buccal nerve

Question 6

What type of flap design do you use for the Ex of the retained roots of the 48?

Answer 6

3 sided flap

Question 7

Your diabetic patient starts to sweat profusely and then loses consciousness. What is the reason for this?

Answer 7

Hyperglycaemia, extremely high levels of sugar in the blood. Need to take their insulin
Results in severe dehydration and sometimes a diabetic coma.

Question 8

Describe two clinical features of gingivitis?

Answer 8

Bleeding gums 
inflamed gums 
swollen gums 
tender gums 
receding gums 
bad breath 
Presence of plaque

Question 9

4 clinical features of periodontitis?

Answer 9

Pocket depth 
B.O.P 
Attachment loss 
Increased tooth mobility
Presence of abscesses

Question 10

Give three characteristics of ANUG?

Answer 10

Bad breath 
Bad taste (metallic)
Extremely painful 
Red, puffy gums 
bleeding

Question 11

Common risk factors for ANUG?

Answer 11

Smoker 
Poor OH 
Nutritional deficiencies 
Immunodeficiency
Sleep deprivation 
stress

Question 12

What piece of equipment would you use to assess the occlusal plane on a complete denture patient?

Answer 12

Foxs bite plane

Question 13

What is a Willis guage used for?

Answer 13

Checking the OVD, FWS and RVD

Question 14

How do you mark the smile line on the record block? and why?

Answer 14

Get the pt to smile and mark it.

To this so the lab can set the teeth and not show too much gum.

Question 15

How do you mark the centre line and midline on the pt?

Answer 15

USe the incisal papilla for the centre line.

The canine line is done using the inner aspect of the eye.

Question 16

What active component would you use to retract 13,23 and reduce 8mm OJ?

Answer 16

Palatal finger spring and guard 0.5mm HSSW.

Question 17

What retentive component would you use to retract 13,23 and reduce 8mm OJ?

Answer 17

Adams clasp on the 6’s 0.7mm HSSW

Southend clasps on the 11,12

Question 18

What anchorage is needed to retract 13,23 and reduce 8mm OJ?

Answer 18

None as the load is equal

Question 19

What baseplate would you use to retract 13,23 and reduce 8mm OJ?

Answer 19

Self-cure PMMA

FABP OJ+3mm

Question 20

what kinda condition could be causing chest pains to a patient with a history of angina?

Answer 20

Myocardial infarction

Question 21

What are other symptoms of a myocardial infarction?

Answer 21

Shortness of breath 
Pain in the left arm and neck
Sweating 
Vomiting 
tired 
lightheaded 
wheezing 
anxiety

Question 22

What medications could you use to tx the pt from your emergency medical kit to tx an MI and give the reason as to why you would use it?

Answer 22

Oxygen - Helps if pt breathless and raises oxygen levels
GTN - widens blood vessels, blood pumps better around the body and therefore more oxygen to the heart.
Aspirin - thins blood, reduces pain and reduces clotting

Question 23

What does INR stand for and what does it mean?

Answer 23

Internation normalised ratio

Checks how long it takes for blood to clot. The higher the INR the longer it takes.

Question 24

For an infiltration describe the steps involved in giving it to a pt and what you would use?

Answer 24

25mm needle
Get LA and note batch number and check the expiration date
Assemble the needed
Then once done double sheath it
Bin LA in blue bin and sharps in the orange bin

Question 25

What are some side effects of LA

Answer 25

Nerve damage 
Continued numbness, weakness of pins and needles 
Quicker HR
Vomiting 
Allergic reaction 
Dizziness

Question 26

How can you check that anaesthetic has taken effect>

Answer 26

Question pt, ask if they feel numb?
Probe the palate or gingivae
Check the percussion of the tooth with the handle.

Question 27

Explain parallax?

Answer 27

If the object is closer to the X-ray source it will move in the opposite direction to the X-ray. An example of this is a buccally placed canine.
If the object is further away from the X-ray source it will move in the same direction. For example a palatally placed canine.

Question 28

How does fluorosis appear on teeth and what teeth does it affect?

Answer 28

As white spots

Can effect 1s,2s,3,s,4s,5s,6s

Question 29

How does fluorosis occur?

Answer 29

Large amounts of fluoride ingestion during tooth development.

Question 30

How would you treat fluorosis of the lower central incisor?

Answer 30

Microabrasion
Composite resto
Strip crowns

Question 31

What is microabrasion?

Answer 31

It is used in aesthetic dentistry to remove discolouration’s by removing a very thin layer of enamel.

Question 32

What is the fluoride content in mouthwash?

Answer 32

225ppm

Question 33

What is the fluoride content is fluoride varnish?

Answer 33

22600ppm