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. 2021 Feb 25;10(5):908. doi: 10.3390/jcm10050908

Figure 1.

Figure 1

(a) Upper central incisor with periapical lesion. (b) The root after being endodontically treated. A second root was filled by warm gutta-percha technique. A direct resin composite restoration was used to restore the coronal part of the tooth. (c) The root after 3 years of clinical service. A complete healing is evident.