| Causes | Male | Female | ||
| N = 901 | % | N = 789 | % | |
| Carie and/ or its complications | 477 | 28 | 413 | 25 |
| Periodontitis | 393 | 23 | 224 | 13 |
| Other causes | 31 | 2 | 152 | 9 |
| Total | 901 | 53 | 789 | 47 |