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BENGKEL IOTN 2019

Total questions: 11

Worksheet time: 8mins

Name
Class
Date
1.

Where did you receive your dental training from?

a)

Local university / college in Malaysia

b)

private university / college in Malaysia

c)

overseas

2.

How much exposure in the field of orthodontics do you have up to now?

a)

I am confident that I am able to diagnose a malocclusion and refer a case to the orthodontist appropriately

b)

I am uncertain about certain malocclusions and sometimes can be quite confused about when to refer a case

c)

I only refer a patient when they request for braces and have no clue about what is IOTN

3.

How long should you monitor following interceptive extraction of upper Cs?

a)

1-3 months

b)

3-6 months

c)

6-12 months

d)

Above 12 months

4.

Which of the following is the least possible cause of impacted permanent central incisor?

a)

Dilaceration

b)

Trauma

c)

Conical supernumerary teeth

d)

Tuberculate supernumerary teeth

5.

What is compensating extraction?

a)

Extraction of the same tooth in the same side of the opposing arch

b)

Extraction of the same tooth in the opposite side of the same arch

c)

Extraction of the same tooth in the opposite side of the opposing arch

d)

None of the above

6.

Which of the following is NOT categorised as great need for treatment (IOTN 5)?

a)

15 year old patient with Class I malocclusion with retained 53, impacted 13 and severe crowding

b)

13 year old with Class III malocclusion and reverse overjet of 4 mm

c)

14 year old with Class II div 1 malocclusion with increased overjet of 10 mm

d)

16 year old patient with Class II div 2 malocclusion, increased overbite, congenitally absent 12,22

7.

Which of the following is NOT categorised as need for treatment? (IOTN 4)

a)

Class I malocclusion with mesiodens and moderate crowding

b)

Class II div 2 malocclusion with increased overbite and traumatic bite on 31

c)

Class III malocclusion with anterior open bite of 1 mm and mild crowding

d)

Class II div 1 malocclusion with increased overjet of 8 mm and incompetent lips

8.

How much is the minimal space for the teeth to be classified as impacted teeth?

a)

4 mm

b)

5 mm

c)

6 mm

d)

7 mm

9.

When is the ideal age to start palpating the maxillary canines?

a)

7-9 years old

b)

10-13 years old

c)

14-15 years old

d)

15-17 years old

10.

How much is the minimal contact point displacement for the case to be categorised as IOTN 4d ?

a)

3 mm

b)

4 mm

c)

5 mm

d)

6 mm

11.

What do you need to do when you see a 14 year old patient with Class I malocclusion, well aligned arches and retained 55,65 which is infraoccluded or submerged?

a)

Ask for any history of trauma

b)

Take a periapical radiograph to investigate presence of 15, 25

c)

Do a composite build up of the 55 and 65 to match the adjacent teeth and restore occlusal height

d)

All of the above