Table 2: The frequency and percentage of number of roots and canal configuration in maxillary second premolar teeth.

Number of Roots
One RootTwo RootsThree RootsTotal

Frequency ()Women138 (87.3%)20 (12.7%)0 (0%)158 (100%)
Men133 (83.1%)26 (16.3%)1 (0.6%)159 (100%)
Total271 (85.2%)46 (14.5%)1 (0.3%)318 (100%)

Canal Configuration

Type I (1)Type II (2-1)Type III (1-2-1)Type IV (2)Type V (1-2)Type VI (2-1-2)Type VII (1-2-1-2)Type VIII (3)Total

Frequency ()Women80 (50.6%)38 (24.0%)10 (6.3%)15 (9.5%)8 (5.1%)5 (3.2%)0 (0%)2 (1.3%)158 (100%)
Men77 (48.1%)44 (27.5%)6 (3.8%)22 (13.8%)10 (6.2%)0 (0%)0 (0%)1 (0.6%)160 (100%)
Total157 (49.4%)82 (25.8%)16 (5%)37 (11.6%)18 (5.7%)5 (1.6%)0 (0%)3 (0.9%)318 (100%)