Table 1.
1 | Intact surface: surface normal in appearance and does not retain India ink |
2 | 0 mm<Fissures < 4 mm |
3 | 4 mm<Fissures < 8 mm |
4 | 8 mm<Fissures |
5 | 0 mm<Full depth erosion < 2 mm |
6 | 2 mm< Full depth erosion < 5 mm |
7 | 5 mm< Full depth erosion |
Laverty et All [7]