Adhesive sealing of the pulp chamber

Sema Belli, Yi Zhang, Patricia N.R. Pereira, David H. Pashley

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

The purpose of this in vitro study was to evaluate quantitatively the ability of four different filling materials to seal the orifices of root canals as a secondary seal after root canal therapy. Forty extracted human molar teeth were used. The top of pulp chambers and distal halves of the roots were removed using an Isomet saw. The canal orifices were temporarily sealed with a gutta-percha master cone without sealer. The pulp chambers were then treated with a self-etching primer adhesive system (Clearfil SE Bond), a wet bonding system (One-Step), a 4-methacryloyloxyethyl trimellitate anhydride adhesive system (C&B Metabond), or a reinforced zinc oxide-eugenol (IRM). The specimens were randomly divided into four groups of 10 each. A fluid filtration method was used for quantitative evaluation of leakage. Measurements of fluid movement were made at 2-min intervals for 8 min. The quality of the seal of each specimen was measured by fluid filtration immediately and after 1 day, 1 wk, and 1 month. Even after 1 month the resins showed an excellent seal. Zinc oxide-eugenol had significantly more leakage when compared with the resin systems (p < 0.05). Adhesive resins should be considered as a secondary seal to prevent intraorifice microleakage.

Original languageEnglish (US)
Pages (from-to)521-526
Number of pages6
JournalJournal of endodontics
Volume27
Issue number8
DOIs
StatePublished - Jan 1 2001

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Dental Pulp Cavity
Adhesives
Zinc Oxide
Eugenol
Root Canal Therapy
Gutta-Percha
Anhydrides
Tooth

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Belli, S., Zhang, Y., Pereira, P. N. R., & Pashley, D. H. (2001). Adhesive sealing of the pulp chamber. Journal of endodontics, 27(8), 521-526. https://doi.org/10.1097/00004770-200108000-00006

Adhesive sealing of the pulp chamber. / Belli, Sema; Zhang, Yi; Pereira, Patricia N.R.; Pashley, David H.

In: Journal of endodontics, Vol. 27, No. 8, 01.01.2001, p. 521-526.

Research output: Contribution to journalArticle

Belli, S, Zhang, Y, Pereira, PNR & Pashley, DH 2001, 'Adhesive sealing of the pulp chamber', Journal of endodontics, vol. 27, no. 8, pp. 521-526. https://doi.org/10.1097/00004770-200108000-00006
Belli S, Zhang Y, Pereira PNR, Pashley DH. Adhesive sealing of the pulp chamber. Journal of endodontics. 2001 Jan 1;27(8):521-526. https://doi.org/10.1097/00004770-200108000-00006
Belli, Sema ; Zhang, Yi ; Pereira, Patricia N.R. ; Pashley, David H. / Adhesive sealing of the pulp chamber. In: Journal of endodontics. 2001 ; Vol. 27, No. 8. pp. 521-526.
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