Table 3.
Characteristics of dental erosion in relation to the number of teeth affected.
| Tooth | 11 | 12 | 21 | 22 | 16 | 26 | 36 | 46 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | n | % | n | % | n | % | n | % | |
| Severity | ||||||||||||||||
| Enamel with “satiny” appearance (without loss of surface contour) |
77 | 65.8 | 64 | 65.3 | 74 | 63.2 | 50 | 56.8 | 5 | 38.5 | 4 | 44.4 | 3 | 23.0 | 2 | 25.0 |
| Loss of enamel (with loss of surface contour) | 36 | 30.8 | 27 | 27.5 | 39 | 33.3 | 34 | 38.6 | 5 | 38.5 | 2 | 22.2 | 6 | 46.1 | 5 | 62.5 |
| Loss of enamel with dentin exposure (visible JAD) | 4 | 3.4 | 7 | 7.1 | 4 | 3.4 | 4 | 4.5 | 3 | 23.1 | 3 | 33.3 | 4 | 31.0 | 1 | 12.5 |
| Location | ||||||||||||||||
| Only buccal | 70 | 59.8 | 55 | 56.1 | 67 | 57.3 | 43 | 48.9 | 0 | 0 | 1 | 11.1 | 1 | 7.7 | 1 | 12.5 |
| Only lingual or palatal | 11 | 9.4 | 14 | 14.3 | 12 | 10.2 | 13 | 14.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Only occlusal or incisal | 1 | 0.8 | 1 | 1.0 | 1 | 0.8 | 1 | 1.1 | 11 | 84.6 | 6 | 66.7 | 9 | 69.2 | 5 | 62.5 |
| Buccal, occlusal, or incisal | 5 | 4.3 | 2 | 2.0 | 5 | 4.3 | 4 | 4.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Lingual and incisal or occlusal | 6 | 5.1 | 5 | 5.1 | 8 | 6.8 | 5 | 5.7 | 1 | 7.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| Multiple surfaces | 24 | 20.5 | 21 | 21.4 | 24 | 20.5 | 22 | 25.0 | 1 | 7.7 | 2 | 22.2 | 3 | 23.0 | 2 | 25.0 |
| Affected area | ||||||||||||||||
| Less than half of the surface | 44 | 37.6 | 32 | 32.6 | 44 | 37.6 | 24 | 27.3 | 2 | 15.4 | 2 | 22.2 | 1 | 7.7 | 1 | 12.5 |
| More than half of the surface | 73 | 62.4 | 67 | 68.4 | 73 | 62.4 | 64 | 72.7 | 11 | 84.6 | 7 | 77.7 | 12 | 92.3 | 7 | 87.5 |
| Total | 117 | 98 | 117 | 88 | 13 | 9 | 13 | 8 | ||||||||