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Resin Based Obturation

Resin Based Obturation

  • Materials used for obturation
  • Core + Sealer = Obturation
  • Acc to Grossman:
  • Plastics
  • Solids
  • Cements
  • Pastes
  • Requirements of an ideal root canal filling material:
  • Be easily introduced in canal
  • Seal the canal laterally and apically
  • Shouldn’t shrink after insertion
  • Impervious to moisture
  • Bacteriostatic
  • Radiopaque
  • Most common solid core root canal filling material – Gutta Percha
  • Gold standard for endodontic obturation !!!
  • Presently – Gutta percha filling – Weak point in R.C.T
  • Torabinejad et al – G.P fillings challenged by bacteria
  •                                   50% specimen allowed penetration to
  •                                   entire length
  • Drawbacks of Gutta Percha:
  • Inability to achieve a fluid impervious seal
  • Inability to reinforce tooth structure

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