Table 1.
Codes and description of ICDAS II
| 1st digit codes | Description | 2nd digit codes | Description |
|---|---|---|---|
| 0 | Sound | 0 | Sound |
| 1 | Sealant, partial | 1 | First visual change in enamel |
| 2 | Sealant, full | 2 | Distinct visual change in enamel |
| 3 | Tooth colored restorations | 3 | Localized enamel breakdown |
| 4 | Amalgam restoration | 4 | Underlying dark shadow from dentin |
| 5 | Stainless steel crown | 5 | Distinct cavity with visible dentin |
| 6 | Porcelain or gold or PFM crown or veneer | 6 | Extensive distinct cavity with visible dentin |
| 7 | Lost or broken restoration | ||
| 8 | Temporary restoration | ||
| Special codes | Description | ||
| 96 | Tooth surface cannot be examined | ||
| 97 | Tooth missing because of caries | ||
| 98 | Tooth missing for other reasons | ||
| 99 | Unerupted |