Paediatric Dentistry & Orthodontics for ORE Part 1
Essential review of Hall Technique, primary tooth pulpectomy, trauma management, Twin Block appliances, and IOTN index.
Key Syllabus Concepts Tested in Paediatric Dentistry & Orthodontics
- Hall Technique for preformed metal crowns (PMCs) without local anaesthesia or caries removal
- Primary dental trauma: intrusion spontaneous re-eruption monitoring vs avulsion handling
- Orthodontic force magnitudes (30-60g tipping), cephalometric ANB angle, and Twin Block appliances
- Index of Orthodontic Treatment Need (IOTN DHC 4/5) for NHS dental care funding eligibility
Sample SBA Practice Questions
Sample Question 1 (Paper A)
A 9-year-old child presents after an avulsion injury of the upper central permanent incisor 30 minutes ago kept in milk. What is the management?
- Replant immediately and secure with a flexible splint for two weeks
- Scrub the root surface clean, replant, and splint flexibly for two weeks
- Replant immediately and secure with a rigid splint for four weeks
- Replant immediately, splint flexibly, and start root canal treatment at ten days
✅ Correct Answer: Replant immediately and secure with a flexible splint for two weeks
Explanation: Immediate re-implantation, flexible splinting for 2 weeks, and tetanus review is standard IADT trauma protocol.
Clinical Pearl: Rectangular collimation reduces patient radiation tissue volume and dose by over 50%.
Sample Question 2 (Paper A)
Under UK 'Delivering Better Oral Health' guidelines, how often should sodium fluoride varnish (2.26% NaF) be applied to all children aged 3 years and above?
- At least twice a year
- Once every 2 years
- Monthly
- Only after permanent teeth erupt
✅ Correct Answer: At least twice a year
Explanation: DBOH guidelines recommend professional application of 2.26% Fluoride Varnish at least twice a year for all children aged 3+.
Clinical Pearl: Avulsed permanent teeth kept in milk should be re-implanted immediately with 2-week flexible splint.
Sample Question 3 (Paper A)
What is the treatment of choice for a heavily carious primary second molar with pulp involvement (irreversible pulpitis) in a 6-year-old child?
- Extraction of the tooth with a removable space maintainer fitted
- Hall technique crown seated without any prior pulp therapy
- Indirect pulp cap with calcium hydroxide under a composite restoration
- Ferric sulfate pulpotomy restored with a preformed metal crown
✅ Correct Answer: Ferric sulfate pulpotomy restored with a preformed metal crown
Explanation: Primary molar pulp involvement is treated with ferric sulfate pulpotomy followed by a preformed stainless steel crown (Hall technique or conventional).
Clinical Pearl: Fluoride varnish 2.26% NaF should be applied at least twice a year for all children aged 3+.
Master All 25+ Paediatric Dentistry & Orthodontics Questions
Practice complete 100-question Paper A and Paper B mock exams with adaptive IRT weak-topic tracking.
Try Interactive Quiz →