Scores | Criteria |
---|---|
0 | No erosion detected. Smooth and silky-shiny appearance with the absence of developmental ridges |
1 | Intact enamel is found cervical to lesion. Loss of surface enamel is detected. Width of concavity in enamel is wider than its depth is distinguished from toothbrush abrasion (wide and shallow concavity) |
2 | Dentine is involved for less than half of the tooth surface |
3 | Severe erosion with involvement of dentine more than half of the tooth surface |