Restorative & Materials · single question

Which radiographic view provides the BEST detail for identifying the root canal system?

  1. Panoramic radiograph
  2. Cone beam CT (CBCT)
  3. Periapical radiograph
  4. Occlusal radiograph
Show answer and explanation

Correct answer: B. Cone beam CT (CBCT)

  • A. Panoramic radiographs provide an overview but have limited resolution for individual root canals.
  • B. Correct. CBCT (cone beam CT) provides 3D volumetric imaging with the highest diagnostic accuracy for identifying root canal morphology, extra canals, calcifications, and anatomical relationships. It is the gold standard for complex endodontic cases.
  • C. Periapical radiographs are the traditional standard for root canal evaluation and provide good 2D detail.
  • D. Occlusal radiographs show cross-sectional views but lack the resolution needed for individual canal identification.

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