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Radiology · single question

A patient with a past history of substance abuse returns for care after a 10-year absence. An appropriate initial diagnostic step is to obtain:

  1. A single periapical radiograph
  2. A full-mouth radiographic series
  3. No radiographs
  4. A CBCT scan
Show answer and explanation

Correct answer: B. A full-mouth radiographic series

  • A. A single film cannot evaluate a whole mouth after a long absence.
  • B. Correct. After a long absence and no records, a comprehensive evaluation with a full-mouth series is appropriate.
  • C. Radiographs are needed to evaluate after such a long gap.
  • D. CBCT is not the routine first step for a general recare exam.

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