ICDAS Caries Codes
ICDAS caries codes 0 to 6 with their merged severity.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Surface 1 ICDAS code
- 0: sound
- Surface 2 ICDAS code
- 2: distinct visual change in enamel
- Surface 3 ICDAS code
- 3: localized enamel breakdown, no dentin visible
- Surface 4 ICDAS code
- 1: first visual change in enamel (after drying)
Result: Most severe: ICDAS 3, localized enamel breakdown without visible dentin (moderate). 4 surfaces: 1 sound, 2 initial, 1 moderate.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Surface 1 ICDAS code
- Surface 2 ICDAS code
- Surface 3 ICDAS code
- Surface 4 ICDAS code
- Surface 5 ICDAS code
- Surface 6 ICDAS code
How this is calculated
Citation
Ismail AI, Sohn W, Tellez M, et al. The International Caries Detection and Assessment System (ICDAS): an integrated system for measuring dental caries. Community Dent Oral Epidemiol. 2007;35(3):170-178. Read the sources: Ismail 2007 ↗, Braz Oral Res 2026 ↗, J Clin Exp Dent 2026 ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.