Endodontics · single question
A periapical radiograph shows a 'J-shaped' radiolucency tracking along a root, and the patient reports pain on biting. The most likely diagnosis is:
Show answer and explanation
Correct answer: B. Vertical root fracture
- A. A periapical abscess produces an apical radiolucency, not a J-shaped vertical lesion plus a fracture pattern.
- B. Correct. A 'J-shaped' (halo) radiolucency and pain on biting are classic for a vertical root fracture.
- C. A lateral periodontal cyst is an asymptomatic well-defined lateral radiolucency.
- D. Condensing osteitis is radiopaque, not radiolucent.