Table 1: ICDAS II criteria.
ICDAS |
Description |
ICDAS 0 |
Sound tooth surface: no evidence of caries after prolonged air drying. |
ICDAS 1 |
First visual change in enamel: Opacity or discoloration (white or brown) is visible after prolonged air drying. |
ICDAS 2 |
Distinct visual change in enamel: Opacity or discoloration visible on a wet tooth surface. |
ICDAS 3 |
Localized enamel break-down due to caries with no visible dentine or underlying shadow. |
ICDAS 4 |
Underlying dark shadow from dentine with or without localized enamel breakdown. |
ICDAS 5 |
Distinct cavity with visible dentine. |
ICDAS 6 |
Extensive distinct cavity with visible dentine and more than half of the surface involved. |