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

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Fig. 5. — NDGP-treated patient 1 (ND1). (A) Pretreatment clinical image of tooth 27 taken after rubber dam placement. (B) Clinical image of access cavity (white arrow) before obturation. (C) Clinical image of completed obturation visible through access cavity (white arrow). (D) Clinical image of coronal restoration sealing access cavity (white arrow). (E) Pretreatment radiograph with periapical lesion (white arrow). (F) Completed obturation with unmodified GP apical seal, NDGP backfill, and unmodified GP coronal seal. (G) Three-month follow-up radiograph with healing periapical lesion (white arrow). (H) Six-month follow-up radiograph with healing periapical lesion. (I) Lesion diameter at pretreatment, 3-mo, and 6-mo follow-up appointments. (J) A 3.56-mm lesion was visible on pretreatment radiograph. (K) A 2.81-mm lesion diameter was visible on the 3-mo follow-up appointment. (L) A 2.48-mm lesion diameter was visible on the 6-mo follow-up appointment.