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Endodontics · single question

A radiograph shows both LATERAL and APICAL radiolucency on a tooth. Most likely diagnosis?

  1. Vertical root fracture
  2. External root resorption
  3. Periapical abscess only
  4. Condensing osteitis
Show answer and explanation

Correct answer: A. Vertical root fracture

Vertical root fracture (VRF) classically produces COMBINED lateral AND apical radiolucency ('halo' or 'J-shaped' lesion) because bacteria spread along the fracture line to both lateral periodontium and apex. Periapical abscess = apical radiolucency alone. Condensing osteitis = radiopaque.

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