Fig. 2

Root and canal anatomy in maxillary first premolar teeth. (a) 1TN1, (b) 1TN1–2−1, (c) 1TN2−1, (d) 1TN1–2, (e) 1TN1–2−1–2, (f) 2TN B1 P1.
Root and canal anatomy in maxillary first premolar teeth. (a) 1TN1, (b) 1TN1–2−1, (c) 1TN2−1, (d) 1TN1–2, (e) 1TN1–2−1–2, (f) 2TN B1 P1.