BENGKEL IOTN 2019

Where did you receive your dental training from?

• Local university / college in Malaysia

• private university / college in Malaysia

• overseas

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

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

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

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

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

• 1-3 months

• 3-6 months

• 6-12 months

• Above 12 months

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

• Dilaceration

• Trauma

• Conical supernumerary teeth

• Tuberculate supernumerary teeth

What is compensating extraction?

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

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

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

• None of the above

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

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

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

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

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

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

• Class I malocclusion with mesiodens and moderate crowding

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

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

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

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

• 4 mm

• 5 mm

• 6 mm

• 7 mm

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

• 7-9 years old

• 10-13 years old

• 14-15 years old

• 15-17 years old

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

• 3 mm

• 4 mm

• 5 mm

• 6 mm