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Oral Surgery · single question

Which structure is found BELOW the angle of the mandible on a panoramic radiograph?

  1. Cervical vertebrae
  2. Mastoid process
  3. Styloid process
  4. Hyoid bone
Show answer and explanation

Correct answer: D. Hyoid bone

  • A. Cervical vertebrae appear as midline structures on the panoramic — not specifically 'below the angle.'
  • B. The mastoid process is posterior and superior to the mandibular angle — it may appear at the edges of the panoramic film.
  • C. The styloid process is a thin radiopaque projection from the temporal bone — visible on the pano but NOT below the angle of the mandible.
  • D. Correct. The HYOID BONE appears below the angle of the mandible on a panoramic radiograph. It is a U-shaped floating bone suspended by muscles and ligaments, visible as a radiopaque horseshoe-shaped structure just inferior to the mandible.

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