ICDAS

Question 1

Code 0

Answer 1

No evidence of caries even after 5s of air-drying

Question 2

Code 1

Answer 2

Discoloration - pits & fissures - dry (occasionally wet)

Question 3

Code 2

Answer 3

• Discoloration - wet & dry

* Beyond pits & fissures

Question 4

Code 3

Answer 4

Cavitation of enamel

Question 5

Code 4

Answer 5

• Involvement of dentin +/- involvement of enamel

* Blue-ish hue

Question 6

Code 5

Answer 6

• Cavity <1/2 of tooth

* Dentin exposed

Question 7

Code 6

Answer 7

• Cavity =/>1/2 of tooth

* Dentin exposed

Question 8

Root: code 1

Answer 8

Discoloration w/o cavitation (<0.5 mm)

Question 9

Root: code 2

Answer 9

Discoloration w/ cavitation