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. 2017 Oct 23;114(45):E9445–E9454. doi: 10.1073/pnas.1711924114

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Fig. 6. — NDGP-treated patient 2 (ND2). (A) Pretreatment clinical image of tooth 6. (B) Clinical image of access cavity (white arrow). (C) Pretreatment radiograph with existing periapical lesion (white arrow). (D) Completed obturation with unmodified GP apical seal, NDGP backfill, and unmodified GP coronal seal (white arrow). (E) Three-month follow-up radiograph with healing periapical lesion (white arrow). (F) Lesion diameter at pretreatment (red) and 3-mo follow-up (blue) appointments. (G) The 3.45-mm lesion diameter was visible on the pretreatment radiograph. (H) The 2.63-mm lesion diameter was visible on the 3-mo follow-up radiograph.