Removal of Gutta-Percha/Zinc-Oxide-Eugenol Sealer or Gutta-Percha/Epoxy Resin Sealer from Severely Curved Canals: An In Vitro Study

Figure 1

Root filling material remaining in the apical third of a specimen obturated with gutta-percha/AH plus sealer, and retreated using Hedström files.