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ADC Practice Question — CMS Risk Assessment & Classification

How should this patient's risk be reclassified at…

Prevention and cariology questions test evidence-based decision-making — fluoride protocols, caries risk assessment, recall scheduling. This exam-level vignette tests your ability to work through clinical details and arrive at the correct management.

A 60-year-old woman classified as Medium risk 18 months ago has attended 6-monthly recalls. New bitewings show no progression of existing radiolucencies and no new lesions in 12 months. How should this patient's risk be reclassified at today's recall?

  • A. Remains Medium — original findings still radiographically present
  • B. Remains Medium — reclassification requires 24 months without activity
  • C. High — because she has been Medium risk for more than 12 months
  • D. Low — fewer than 1 new lesion per year with no progression of lesions
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Sources cited
Therapeutic Guidelines v4 Odell's 3rd & 4th Ed IADT 2020 Code of Conduct CMS (Evans) Infection Control + more
Show the answer and cited explanation
Correct answer: D

Recall risk: Low = <1 new lesion/year AND no progression. Both met. Arrested lesions remain visible — stability, not regression to C0, defines arrest. SOURCE — Evans RW et al. CMS for adults, ADJ 2008;53:83-92, Table 4

Source: Evans RW et al. CMS for adults, ADJ 2008;53:83-92, Table 4
Remy's study tip — Identify the patient’s risk level first, then match the intervention to the risk.

Exam preparation FAQ

How do I approach an unfamiliar CMS Risk Assessment & Classification vignette?
Extract key clinical data from the stem before reading options. There are usually 3–4 critical variables that determine the correct answer.
How should I prepare for Preventive Dentistry & Cariology in the ADC exam?
Build competence across all topics. The exam tests application of guidelines to clinical scenarios, not memorisation.

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