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Table 5 Distribution of the courses on CT in the normal and cystic maxillary incisive canals
| Age group | Vertical | Vertical-curved | Slanted | Slanted-curved | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male (Normal canals) | Female (Normal canals) | Patients (Cystic canals) | Male (Normal canals) | Female (Normal canals) | Patients (Cystic canals) | Male (Normal canals) | Female (Normal canals) | Patients (Cystic canals) | Male (Normal canals) | Female (Normal canals) | Patients (Cystic canals) | |
| 20s | 15 | 12 | 4 | 11 | 12 | 2 | 4 | 5 | 1 | 2 | 4 | 1 |
| 30s | 11 | 10 | 2 | 7 | 8 | 1 | 4 | 3 | 1 | 3 | 2 | 0 |
| 40s | 5 | 4 | 2 | 6 | 4 | 0 | 3 | 1 | 0 | 2 | 2 | 0 |
| 50s | 5 | 3 | 3 | 4 | 3 | 2 | 2 | 2 | 2 | 0 | 1 | 1 |
| 60s | 4 | 3 | 5 | 5 | 3 | 2 | 1 | 2 | 0 | 1 | 1 | 1 |
| 70s | 5 | 4 | 2 | 3 | 4 | 2 | 2 | 1 | 2 | 1 | 0 | 0 |
| 80s | 5 | 3 | 2 | 4 | 3 | 1 | 2 | 0 | 1 | 1 | 2 | 0 |
| Total | 50 | 39 | 20 | 40 | 37 | 10 | 18 | 14 | 7 | 10 | 12 | 3 |
