| No. of teeth/surfaces | Percentage (%) |
---|---|---|
Affected surface | Â | Â |
   Labial or buccal only | 146 | 7.7 |
   Lingual or palatal only | 72 | 3.8 |
   Incisal or occlusal only | 818 | 43.2 |
   Labial and incisal/occlusal | 430 | 22.7 |
   Lingual and incisal/occlusal | 58 | 3.0 |
   Multi-surface | 371 | 19.6 |
   Total (teeth) | 1895 | 100.0 |
Severity | Â | Â |
   Matt appearance of the enamel | 1447 | 44.0 |
   Loss of enamel only | 1795 | 54.6 |
   Loss of enamel with exposure of dentin (enamel-dentin junction visible) | 46 | 1.4 |
   Total (surfaces) | 3288 | 100.0 |
Area affected | Â | Â |
   Less than half of surface affected | 1008 | 30.7 |
   More than half of surface affected | 2280 | 69.3 |
   Total (surfaces) | 3288 | 100.0 |