Oral Biology Research

Download original image
Fig. 1.

(A) Preoperative periapical radiograph of the mandibular right first molar (#46); (B) working length determination of #46. (C) Postoperative periapical radiograph; (D) 9-month follow-up radiograph; (E) 18-month follow-up radiograph.

Oral Biol Res 2018;42:53~61 https://doi.org/10.21851/obr.42.01.201803.53
© Oral Biol Res