FCPS Part 1 - Radiology

FCPS Part 1 - RadiologyOrthodontics MCQs

Practice 4 Orthodontics past-paper MCQs for FCPS Part 1 - Radiology, each with a detailed explanation and reference. Try free samples below, then start a full quiz.

Part of the full FCPS Part 1 - Radiology QBank — 1,278 questions across all subjects.

Orthodontics is a core part of the FCPS Part 1 - Radiology syllabus. HighYield's Orthodontics question bank collects 4MCQs modelled on real past papers, so you practise the exact style and difficulty you'll face on exam day. Every question comes with a worked explanation and a subject reference, so you learn why an answer is right — not just which option to pick.

Work through Orthodontics in Tutor mode to learn as you go, or switch to Timed mode to simulate real exam pressure. Your accuracy is tracked per subject, so you always know whether Orthodontics is a strength to maintain or a weak area to drill.

Sample Orthodontics Questions

Q1

A 9-year-old child presents to the dental clinic with a complaint of spacing between the upper central incisors (midline diastema). Clinical and radiographic examination reveals that the maxillary canine is in Nolla's stage 5. What should be the next step in management?

  • A.Place a fixed orthodontic appliance immediately
  • B.Frenectomy
  • C.Observe and wait for canine eruption
  • D.Extract primary canines
Q2

A 7-year-old child presents with a posterior crossbite. Which radiograph is most appropriate to assess the transverse discrepancy and diagnose this condition?

  • A.OPG
  • B.Anteroposterior (AP view)
  • C.Bitewing
  • D.Occlusal view
Q3

Which combination of radiographs is classically used with Clark's tube-shift (SLOB) rule to localize an impacted canine as buccal or palatal?

  • A.Two periapical radiographs (or OPG + periapical) taken at different horizontal angulations
  • B.OPG combined with a lateral cephalogram
  • C.Occlusal radiograph combined with a periapical at the same angulation
  • D.A single panoramic radiograph alone

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