Table 4.
Detailed analysis of all first molar surfaces according to World Health Organization (WHO) criteria (25)
| No. (%) of teeth with caries on |
|||
|---|---|---|---|
| WHO criteria | mesial molar surface | distal molar surface | central occlusal surface |
| Sound |
4387 (93.9) |
4515 (96.6) |
1239 (26.5) |
| Decayed |
134 (2.9) |
57 (1.2) |
1289 (27.6) |
| Filled, with decay |
20 (0.4) |
14 (0.3) |
267 (5.7) |
| Filled, no decay |
95 (2.0) |
52 (1.1) |
992 (21.2) |
| Missing, as a result of caries |
17 (0.4) |
17 (0.4) |
17 (0.4) |
| Fissure sealant |
0 (0) |
0 (0) |
852 (18.2) |
| Unerupted tooth (crown) |
15 (0.3) |
15 (0.3) |
15 (0.3) |
| Not recorded |
4 (0.08) |
2 (0.04) |
1 (0.02) |
| Total | 4672 | 4672 | 4672 |