Carrier based gutta percha removal -therma-fill, Biology

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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.

 


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