ADC Practice Question — CMS Risk Assessment & Classification

Despite zero caries experience, what is this child's risk classification?

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 9-year-old has dmfs + DMFS = 0, no white spots, no radiolucencies, no PI = 3 sites. Both upper permanent first molars show yellow-brown opacities with post-eruptive enamel breakdown consistent with Molar Hypomineralization. Despite zero caries experience, what is this child's risk classification?

A. At-risk — hypomineralized first molars elevate risk even with zero caries
B. Low — zero caries and no radiolucencies satisfy all Low criteria
C. At-risk High — structural defects indicate the most severe category
D. Low with monitoring — hypomineralization is noted but does not change class

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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

Mixed/permanent risk includes: 'dmfs + DMFT = 0 but 6s or 7s are hypomineralized or hypoplastic' → At-risk. This criterion is unique to the children's CMS. SOURCE — Evans RW, Dennison PJ. CMS for children, ADJ 2009;54:381-389, Table 4

Source: Evans RW, Dennison PJ. CMS for children, ADJ 2009;54:381-389, 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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Despite zero caries experience, what is this child's risk classification?

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