Carrier Based Gutta percha Removal “therma-fill”
If the cone the carrier is metal and has cutting flutes that are engaging lateral dentin the instrument retrieval system (IRS)
Soft paste removal:
- Easy removed by crown down instrumentation with copious of irrigation of NaOcl to minimize its extrusion.
- Resin paste softened by:
- StSt 0.02 taper hand instrument followed by NiTi rotary non cutting tip.
- Heat
- Solvent with chloroform then wicked out the canal.
Solvent paste removal:
- Endosolv for chemically softened paste.
- Endosolv"R": for the removal of resin-based pastes.
- Endosolv"E":the elimination of zinc oxide and eugenate-based pastes.