Radiology · single question

What is the BEST imaging modality to determine the position (palatal vs. buccal) of a mesiodens?

  1. Periapical radiograph
  2. Occlusal radiograph
  3. Panoramic radiograph
  4. CBCT (Cone Beam CT)
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Correct answer: D. CBCT (Cone Beam CT)

CBCT (Cone Beam Computed Tomography) provides three-dimensional imaging and is the gold standard for determining the exact position (palatal vs. buccal vs. in between), angulation, and relationship to adjacent teeth of a mesiodens. Two-dimensional radiographs (PA, occlusal, panoramic) can detect the mesiodens but cannot reliably determine its bucco-palatal position. CBCT allows surgical planning for uncovering or extraction.

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