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NDGP-treated patient 3 (ND3). (A) Pretreatment clinical image of tooth 23. (B) Clinical image of access cavity (white arrow). (C) Clinical image of completed obturation (white arrow). (D) Pretreatment radiograph with existing periapical lesion (white arrow). (E) Completed obturation with unmodified GP apical seal, NDGP backfill, and unmodified GP coronal seal (white arrow). (F) The 3.53-mm pretreatment lesion diameter.
