Score | Surface | Criterion |
---|---|---|
0 | OI | No loss of enamel surface characteristics |
1 | OI | Loss of enamel surface characteristics |
2 | O I |
Enamel loss just exposing dentine <1/3 of the surface Enamel loss just exposing dentine |
3 | O I |
Enamel loss just exposing dentine >1/3 of the surface Enamel loss and substantial dental loss but no pulp exposure |
4 | O I |
Complete enamel loss, or pulp exposure or 20 dental exposure Pulp exposure or 20 dental exposure |