| Age groups | Relative frequency of dental treatment need [%] | |||
| Dental diseases (n = 3260) | Oral mucosal diseases (n = 3019) | Dentures defects (n = 2670) | Missing dentures (n = 3754) | |
| ≤64 | 40.9 | 40.6 | 13.6 | 51.5 |
| 65 - 69 | 40.7 | 37.0 | 21.0 | 42.0 |
| 70 - 74 | 36.4 | 33.0 | 27.2 | 47.2 |
| 75 - 79 | 37.4 | 31.6 | 26.6 | 40.4 |
| 80 - 84 | 30.8 | 28.6 | 28.1 | 33.4 |
| 85 - 89 | 26.0 | 26.0 | 27.2 | 30.0 |
| ≥90 | 23.0 | 20.3 | 27.7 | 27.9 |
| Total | 29.7 | 27.6 | 26.1 | 34.5 |