Table 4 Absolute counts and types of C-shaped canal between age
From: Evaluation of C-shaped canals in maxillary molars in a Chinese population using CBCT
Type of C-shaped root canal | Total(n = 3035) Age(years) | ||||
|---|---|---|---|---|---|
≤ 20 (n = 231) | 21–30 (n = 808) | 31–40 (n = 708) | 41–50 (n = 659) | ≥ 51 (n = 629) | |
Type I | 0 (0.00%) | 18 (2.23%) | 25 (3.53%) | 14 (2.12%) | 19 (3.02%) |
Type II | 2 (0.87%) | 2 (0.25%) | 4 (0.56%) | 4 (0.61%) | 1 (0.16%) |
Total | 2 (0.87%) | 20 (2.47%) | 29 (4.09%) | 18 (2.73%) | 20 (3.18%) |