ICDAS 3 with C2 bitewing on tooth 85, the correct…
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 5-year-old has primary second molar (tooth 85) with ICDAS Code 3 on occlusal and C2 bitewing radiolucency. dmfs = 1, classified At-risk. Given ICDAS 3 with C2 bitewing on tooth 85, the correct management is:
- A. Restore — enamel breakdown in a primary tooth always needs a filling
- B. Fluoride varnish only — ICDAS 3 in primary teeth is managed like Code 1-2
- C. Extract — a primary molar with breakdown at age 5 will not last to exfoliation
- D. Seal with resin or GIC and review in 6 months — BW is not deeper than C3
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Primary ICDAS 3: 'Restore only if BW extends deeper than C3, otherwise apply sealant or protect with GIC and review in 6 months.' BW is C2, not > C3, so sealant/GIC is correct. SOURCE — Evans RW, Dennison PJ. CMS for children, ADJ 2009;54:381-389, Table 5
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