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ADC Practice Question — CMS Risk Assessment & Classification

Despite C4 radiolucencies and sticky pits, this…

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 50-year-old new patient has no frank cavitation but has sticky pits on multiple premolars and C4 radiolucencies on three approximal surfaces. Good diet, uses fluoride toothpaste twice daily. Despite C4 radiolucencies and sticky pits, this patient is classified as Medium risk because:

  • A. C4 without frank cavitation or extensive white spots stays within the Medium threshold
  • B. Good dietary habits override the radiographic findings and lower the classification
  • C. C4 radiolucencies are equivalent to C3 for classification purposes in new patients
  • D. Sticky pits only contribute to risk when combined with high Plaque Index scores
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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: A

Medium new patient: (1) no frank cavitation, (2) may have sticky pits, (3) BW not greater than C4. All three met. High requires untreated frank cavities, extensive white spots, OR C5. None present. 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 are CMS Risk Assessment & Classification questions structured in the ADC written exam?
ADC CMS Risk Assessment & Classification questions present as clinical vignettes requiring management decisions. The correct answer is always traceable to a guideline source.
Should I memorise guidelines word-for-word for CMS Risk Assessment & Classification?
Focus on decision points — when the guideline says X vs Y. The exam tests application, not recitation.

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