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.