Dentine sealing provided by smear layer/smear plugs vs. adhesive resins/resin tags

Marcela R. Carrilho, Franklin R. Tay, Jeremy Sword, Adam M. Donnelly, Kelli A. Agee, Yoshihiro Nishitani, Fernanda T. Sadek, Ricardo M. Carvalho, David H. Pashley

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The aim of this study was to evaluate the ability of five experimental resins, which ranged from hydrophobic to hydrophilic blends, to seal acid-etched dentine saturated with water or ethanol. The experimental resins (R1, R2, R3, R4, and R5) were evaluated as neat bonding agents (100% resin) or as solutions solvated with absolute ethanol (70% resin/30% ethanol). Fluid conductance was measured at 20 cm H2O hydrostatic pressure after sound dentine surfaces were: (i) covered with a smear layer; (ii) acid-etched; or (iii) bonded with neat or solvated resins, which were applied to acid-etched dentine saturated with water or ethanol. In general, the fluid conductance of resin-bonded dentine was significantly higher than that of smear layer-covered dentine. However, when the most hydrophobic neat resins (R1 and R2) were applied to acid-etched dentine saturated with ethanol, the fluid conductance was as low as that produced by smear layers. The fluid conductance of resin-bonded dentine saturated with ethanol was significantly lower than for resin bonded to water-saturated dentine, except for resin R4. Application of more hydrophobic resins may provide better sealing of acid-etched dentine if the substrate is saturated with ethanol instead of with water.

Original languageEnglish
Pages (from-to)321-329
Number of pages9
JournalEuropean Journal of Oral Sciences
Volume115
Issue number4
DOIs
Publication statusPublished - Aug 2007

Fingerprint

Smear Layer
Dentin
Adhesives
Ethanol
Acids
Water
Hydrostatic Pressure

Keywords

  • Dentine permeability
  • Dentine sealing
  • Ethanol-saturated dentine
  • Resin permeability
  • Smear layer

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Carrilho, M. R., Tay, F. R., Sword, J., Donnelly, A. M., Agee, K. A., Nishitani, Y., ... Pashley, D. H. (2007). Dentine sealing provided by smear layer/smear plugs vs. adhesive resins/resin tags. European Journal of Oral Sciences, 115(4), 321-329. https://doi.org/10.1111/j.1600-0722.2007.00465.x

Dentine sealing provided by smear layer/smear plugs vs. adhesive resins/resin tags. / Carrilho, Marcela R.; Tay, Franklin R.; Sword, Jeremy; Donnelly, Adam M.; Agee, Kelli A.; Nishitani, Yoshihiro; Sadek, Fernanda T.; Carvalho, Ricardo M.; Pashley, David H.

In: European Journal of Oral Sciences, Vol. 115, No. 4, 08.2007, p. 321-329.

Research output: Contribution to journalArticle

Carrilho, MR, Tay, FR, Sword, J, Donnelly, AM, Agee, KA, Nishitani, Y, Sadek, FT, Carvalho, RM & Pashley, DH 2007, 'Dentine sealing provided by smear layer/smear plugs vs. adhesive resins/resin tags', European Journal of Oral Sciences, vol. 115, no. 4, pp. 321-329. https://doi.org/10.1111/j.1600-0722.2007.00465.x
Carrilho, Marcela R. ; Tay, Franklin R. ; Sword, Jeremy ; Donnelly, Adam M. ; Agee, Kelli A. ; Nishitani, Yoshihiro ; Sadek, Fernanda T. ; Carvalho, Ricardo M. ; Pashley, David H. / Dentine sealing provided by smear layer/smear plugs vs. adhesive resins/resin tags. In: European Journal of Oral Sciences. 2007 ; Vol. 115, No. 4. pp. 321-329.
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