Fig. 1

(a) Abnormal anatomy found in mesiobuccal root of #26 with a periapical lesion, which was hidden on the radiograph by the Mesiobuccal root, (b) tooth obturated (c) CBCT scan at one-year recall visit.
(a) Abnormal anatomy found in mesiobuccal root of #26 with a periapical lesion, which was hidden on the radiograph by the Mesiobuccal root, (b) tooth obturated (c) CBCT scan at one-year recall visit.