Table 3. Most common tooth agenesis patterns in the agenesis group excluding third molars.
| Frequency (%) | Missing teeth | Frequency (%) | Missing teeth | ||
|---|---|---|---|---|---|
| Maxilla | Mandible | ||||
| 1 | 40/173 (23.1) | 12, 22 | 1 | 58/208 (27.9) | 35, 45 |
| 2 | 22/173 (12.7) | 15, 25 | 2 | 36/208 (17.3) | 45 |
| 3 | 21/173 (12.1) | 12 | 3 | 34/208 (16.3) | 35 |
| 4 | 20/173 (11.6) | 22 | 4 | 10/208 (4.8) | 31, 41 |
| 5 | 11/173 (6.4) | 15 | 5 | 5/208 (2.4) | 34, 35, 44, 45 or 32, 42 |
| Overall | 114/173 (65.9) | Overall | 143/208 (68.8) | ||
| Whole dentition | |||||
| 1 | 34/303 (11.2) | 12, 22 | |||
| 2 | 31/303 (10.2) | 35, 45 | |||
| 3 | 29/303 (9.6) | 45 | |||
| 4 | 27/303 (9.0) | 35 | |||
| 5 | 18/303 (6.0) | 22 | |||
| Overall | 139/303 (45.9) | ||||