Table 1.
Distribution of morphologic configurations in the root canal system of maxillary second premolars.
Type of canal | Canal pattern | Percentage (%) |
---|---|---|
Type I | 1–1 | 17 |
Type II | 2–1 | 7 |
Type III | 1–2–1 | 9 |
Type IV | 2 | 23 |
Type V | 1–2 | 23 |
Type VI | 2–1–2 | - |
Type VII | 1–2–1–2 | 2 |
Type VIII | 3 | - |
Additional type | 1–3 | 3 |
Additional type | 1–4 | 1 |
Additional type | 2–1–2–1 | 1 |
Additional type | 1–2–3 | 2 |
Additional type | 3–2 | 2 |
Additional type | 2–3 | 4 |
Additional type | 2–4 | 1 |
Additional type | 1–2–1–3 | 1 |
Additional type | 2–3-2–3 | 1 |
Additional type | 1–2–4 | 2 |
Additional type | 1–2–5 | 1 |