ORE Part 2 Paediatric Dentistry 2

Question 1

What is the aetiology of molar incisor hypomineralisation (MIH)?

Accepted Answer

Multifactorial: systemic insult during enamel mineralisation in early childhood (0–4 years)

Answer

Fluorosis only

Answer

Trauma to primary predecessors

Answer

Genetic inheritance exclusively

Question 2

What is the first-line management for hypersensitive first permanent molars affected by MIH?

Accepted Answer

Desensitising agents, fissure sealants, and remineralisation paste

Answer

Extraction immediately

Answer

Full coverage crown immediately

Answer

Bleaching

Question 3

At what age should a child first attend a dental appointment according to current UK guidelines?

Accepted Answer

As soon as the first tooth erupts or by age 1

Answer

At age 3

Answer

Before starting school (age 4–5)

Answer

Only when symptoms arise

Question 4

What is the recommended technique to minimise dental anxiety in a child undergoing their first restoration?

Accepted Answer

Tell-Show-Do technique with positive reinforcement

Answer

Restraint without explanation

Answer

Immediate treatment without acclimatisation

Answer

Sedation as first choice

Question 5

What is the significance of an infra-occluded primary molar?

Accepted Answer

Potential space loss and tipping of adjacent teeth; may require extraction if severe

Answer

Always self-corrects

Answer

No clinical significance

Answer

Indicates fluorosis

Question 6

What is the role of pit and fissure sealants in preventing caries in first permanent molars?

Accepted Answer

Seal the occlusal fissures to prevent biofilm accumulation in susceptible areas

Answer

Replace fluoride application

Answer

Act as a restorative material for existing caries

Answer

Only indicated in low-risk patients