Type I | Type II | Type III | Type IV | Type V | Type VI | Type VII | Type VIII + | ||
---|---|---|---|---|---|---|---|---|---|
Root | Sex | 1-1 | 2-1 | 1-2-1 | 2-2 | 1-2 | 2-1-2 | 1-2-1-2 | 3- |
Mesial | F (469) | 23 (4.9%) | 69 (14.7%) | 2 (0.4%) | 357 (76.1%) | 9 (1.9%) | 1 (0.2%) | – | 8 (1.7%) |
M (430) | 4 (0.9%) | 80 (18.6%) | 1 (0.2%) | 333 (77.4%) | 3 (0.7%) | – | – | 9 (2.1%) | |
T (899) | 27 (3.0%) | 149 (16.6%) | 3 (0.3%) | 690 (76.8%) | 12 (1.3%) | 1 (0.1%) | – | 17 (1.9%) | |
Distal | F (344) | 260 (75.6%) | 26 (7.6%) | 4 (1.2%) | 30 (8.7%) | 24 (7.0%) | – | – | – |
M (330) | 275 (83.3%) | 17 (5.2%) | 1 (0.3%) | 23 (7.0%) | 12 (3.6%) | – | – | 2 (0.6%) | |
T (674) | 535 (79.4%) | 43 (6.4%) | 5 (0.7%) | 53 (7.9%) | 36 (5.3%) | – | – | 2 (0.3%) | |
Distobuccal | F (125) | 123 (98.4%) | 2 (1.6%) | – | – | – | – | – | – |
M (100) | 99 (99%) | 1 (1%) | – | – | – | – | – | – | |
T (225) | 222 (98.7%) | 3 (1.3%) | – | – | – | – | – | – | |
Distolingual | F (125) | 125 (100%) | – | – | – | – | – | – | – |
M (100) | 100 (100%) | – | – | – | – | – | – | – | |
T (225) | 225 (100%) | – | – | – | – | – | – | – |