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Table 4 Distribution of directions on CT in the normal and cystic maxillary incisive canals

From: Advocacy of diagnostic criteria for maxillary incisive canal cysts based on alteration of normal maxillary incisive canals according to aging in Japanese populations

Age group ≤10° > 10°
Male (Normal canals) Female (Normal canals) Patients (Cystic canals) Male (Normal canals) Female (Normal canals) Patients (Cystic canals)
20s 10 11 2 22 22 6
30s 7 9 1 18 14 3
40s 5 3 1 11 8 1
50s 3 3 3 8 6 5
60s 4 3 4 7 6 4
70s 3 3 4 8 6 2
80s 4 4 2 8 4 2
Total 36 36 17 82 66 23
  1. CT Computed tomography