Table 1 The modified Basic Erosive Wear Examination (BEWE) index used in this study
From: The prevalence and risk indicators of tooth wear in 12- and 15-year-old adolescents in Central China
Score | Enamel wear | Dentine exposure |
|---|---|---|
0 | No tooth wear | No |
1 | Initial loss of surface texture | Yes |
2 | Distinct defect, hard tissue loss <50Â % of the surface area | Â |
3 | Hard tissue loss ≥50 % of the surface area |  |
8 | Orthodontic appliances, caries or restoration ≥25 % of the |  |
|  | Surface area, partial eruption, trauma, crown, can’t assessed |  |
9 | Missing | Â |