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. 2008 Jan 29;12(Suppl 1):33–39. doi: 10.1007/s00784-007-0174-4

Table 1.

Use of the Lussi Index for grading the severity of dentine loss (in bold text)

Index Score Observation
Facial surfaces
0 No erosion, glazed appearance, absence of developmental ridges possible
1 Loss of surface enamel, dentine not involved
2 Erosion into dentine <50% of affected surface
3 Erosion into dentine >50% of affected surface
Other surfaces
0 No erosion, glazed appearance, absence of developmental ridges possible
1 Slight erosion, rounded cusps, restorations stand proud of enamel, no dentine erosion
2 Severe erosion, more pronounced than score 1, dentine involved