Composite root end fillings
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Composite Root End Fillings. Bond strength measurements are probably not important. Tendency to develop gaps is probably very important. Important and Non Important. Cytotoxicity.

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Composite Root End Fillings

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Composite root end fillings

Composite Root End Fillings

Important and non important

Bond strength measurements are probably not important

Tendency to develop gaps is probably very important

Important and Non Important



  • Rakich, D. R., J. C. Wataha, et al. (1998). "Effects of dentin bonding agents on macrophage mitochondrial activity." J Endod24(8): 528-33.

  • Peltola, M., T. Salo, et al. (1992). "Toxic effects of various retrograde root filling materials on gingival fibroblasts and rat sarcoma cells." Endod Dent Traumatol8(3): 120-4.

  • Osorio, R. M., A. Hefti, et al. (1998). "Cytotoxicity of endodontic materials." J Endod24(2): 91-6.



  • Ozbas, H., M. Yaltirik, et al. (2003). "Reactions of connective tissue to compomers, composite and amalgam root-end filling materials." Int Endod J36(4): 281-7.

    Valux Plus composite (3M), Dyract and F2000 compomers and Oralloy amalgam were equally biocompatible.



  • Zhu, Q., R. Haglund, et al. (2000). "Adhesion of human osteoblasts on root-end filling materials." J Endod26(7): 404-6.

    Adhesion of osteoblasts to composite same as MTA.



  • Fogel, H. M. and M. D. Peikoff (2001). "Microleakage of root-end filling materials." J Endod27(7): 456-8.

    There was no significant difference of microleakage between a dentin-bonded resin, Super-EBA, and mineral trioxide aggregate.



  • Retroplast is a Bis-Gma (Bisphenol A-Glycidyl Methacrylate) composite.



Jensen SS, Nattestad A, Egdø P, Sewerin I, Munksgaard EC, Schou S: A prospective, randomized, comparative clinical study of resin composite and glass ionomer cement for retrograde root filling. Clin Oral Invest 2002;6:236-243

Seems to hold up over time much better than GI’s



  • Ultrablend is a Urethane dimethacrylate Bis-Acrylic Resin (UDMA) Composite Resin combined with Calcium Hydroxide.

Hemostasis with viscostat

Hemostasis with Viscostat

  • With Dento Infusor and rubbing

Extraneous coagulum is removed

Extraneous coagulum is removed

  • So that almost all the coagulum is within just the blood vessel orifices; not large clumps throughout the crypt.

Make apical preparation

Make apical preparation

  • Using Carr Retrotips

Apical preparations

Apical Preparations



  • Rud J, Munksgaard EC, Andreasen JO, Rud V, Asmussen E: Retrograde root filling with composite and a dentin bonding agent I. Endod Dent Traumatol 1991;7:118-125They used monkeys in Copenhagen and showed that the histologic response to a retrograde root filling procedure using composite and a dentin bonding agent (Gluma) was favorable.

Ultra etch


  • With a Nano tip (either 30 or 31 gauge).

  • Deliver to the preparation slightly beyond preparation margin. *

  • This also prevents finishing abrasives from contaminating the crypt.

  • Etch for 15-20 seconds.

* (This assures flash of resin is bonded to the root as it is first choice to not disturb the finished restoration with mechanical finishing.)

Surgi tip

Surgi Tip

  • Use Luer Vacuum Adapter with SurgiTip at first only to vacuum the etch from the preparation. Then wash out the preparation and end of root. The TriAway or Stopko with a Black Mini tip works well for this.

Pq1 or pq clear

PQ1 or PQ Clear

  • With a Nano tip 31 gauge (orange).

  • Deliver a moderately thick layer of the adhesive to the preparation and slightly beyond the margin.

Suck excess resin out

Suck excess resin out

  • Including from the depth of the preparation.

  • Luer Vacum Adapter wit surgi tip

  • Hold SurgiTip vacuum near root end for 15-20 seconds so to facilitate drying of solvent from bonding resin.

  • Careful with light (orange filter in scope)

Or blow gently with stropko

Or blow Gently with Stropko

Cure the bond resin

Cure the bond resin

  • 20 seconds

  • With EndoGuide attached to UltraLume II

Ultra blend with 30 gauge nano

Ultra-Blend with 30 gauge Nano

  • totally coat the inside of the preparation

  • just beyond the margin

  • Light cure using EndoGuide for 10 seconds.

Add increments of ultra blend

Add increments of Ultra-Blend

  • One or Two as needed.

  • Polymerize each layer 10 seconds.

Scrape to remove any residual coagulum

Scrape to remove any residual coagulum

  • Small quantities within capillaries are not a problem.

  • Do scrape to initiate some moderate bleeding however

  • Suture as usual.

Composite root end fillings


  • . With a Nano tip on the DeOx syringe

  • coat the outer surface of Ultra-Blend with a moderately thick layer of DeOx.

  • Set the EndoGuide tip end into the DeOx and polymerize for 10-20 more seconds.

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