The contribution of friction to the dislocation resistance of bonded fiber posts

Cecilia Goracci, Andrea Fabianelli, Fernanda T. Sadek, Federica Papacchini, Franklin Chi Meng Tay, Marco Ferrari

Research output: Contribution to journalArticle

166 Citations (Scopus)

Abstract

This study tested the null hypothesis that the use of dentin adhesives produces no improvement on the fixation of fiber posts with resin cements in endodontically treated teeth. Post spaces were prepared in 36 single-rooted root-filled teeth. Silanized glass fiber posts were cemented to the post spaces using a self-etch (ED primer/Panavia 21) and a total etch resin cement (Excite DSC/Variolink II), with or without the accompanying dentin adhesives. Fixation strengths and interfacial ultrastructure were evaluated using a "thin slice" push-out test and transmission electron microscopy. For both resin cements, the fixation strengths obtained from specimens luted with resin cement only did not differ significantly from those in which the intraradicular dentin was first bonded with a dentin adhesive. In the presence of incomplete smear layer removal and interfacial gaps, the dislocation resistance of bonded fiber posts was contributed largely by sliding friction.

Original languageEnglish (US)
Pages (from-to)608-612
Number of pages5
JournalJournal of Endodontics
Volume31
Issue number8
DOIs
StatePublished - Jan 1 2005
Externally publishedYes

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Resin Cements
Friction
Dentin
Adhesives
Smear Layer
Nonvital Tooth
Tooth Root
Transmission Electron Microscopy

Keywords

  • Adhesive resin cement
  • Dislocation resistance
  • Fiber post
  • Sliding friction

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

The contribution of friction to the dislocation resistance of bonded fiber posts. / Goracci, Cecilia; Fabianelli, Andrea; Sadek, Fernanda T.; Papacchini, Federica; Tay, Franklin Chi Meng; Ferrari, Marco.

In: Journal of Endodontics, Vol. 31, No. 8, 01.01.2005, p. 608-612.

Research output: Contribution to journalArticle

Goracci, Cecilia ; Fabianelli, Andrea ; Sadek, Fernanda T. ; Papacchini, Federica ; Tay, Franklin Chi Meng ; Ferrari, Marco. / The contribution of friction to the dislocation resistance of bonded fiber posts. In: Journal of Endodontics. 2005 ; Vol. 31, No. 8. pp. 608-612.
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