Improving the quality of the quartz fiber postcore bond using sodium ethoxide etching and combined silane/adhesive coupling

Journal of Endodontics
Francesca MonticelliMarco Ferrari

Abstract

The influence of different silane/dentin adhesives on the microtensile bond strengths of a hybrid composite to sodium ethoxide-etched quartz fiber posts was investigated. A prehydrolyzed silane was applied without an adhesive and compared to two-component systems in which hydrolysis of the silane occurred after mixing with the acidic monomer present in the dentin adhesives. Nanoleakage along post/core interfaces was examined after silver nitrate tracer penetration using scanning electron microscopy. Higher interfacial strengths and more uniform adaptation between the etched fiber post surface and the composite core were recorded after post treatment with silane/adhesive couplings. The combination of silane with two-step self-etch adhesives improves the chemical retention of composites around etched fiber posts with minimal nanoleakage. Although the one-step self-etching adhesive/silane combination enhances post adhesion, the extensive nanoleakage provides channels for rapid water sorption that may expedite hydrolytic degradation of the post/core interface.

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Citations

Jun 22, 2011·Journal of Conservative Dentistry : JCD·Mylswamy SumithaMahalaxmi Sekar
Mar 23, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Shaymaa E Elsaka
Dec 8, 2009·The Journal of Prosthetic Dentistry·Petra SchmagePeter Pfeiffer
Jan 10, 2008·The Journal of Prosthetic Dentistry·Murat Yenisey, Safak Kulunk
Aug 28, 2007·Dental Materials : Official Publication of the Academy of Dental Materials·Karin KremeierNorbert Hofmann
Sep 4, 2007·Journal of Dentistry·Cecilia GoracciMarco Ferrari
Sep 7, 2007·Journal of Endodontics·Camillo D'ArcangeloSergio Caputi
Oct 22, 2016·International Journal of Dentistry·Giuseppe Lo GiudiceMarco Cicciù
Oct 25, 2016·Dental Materials Journal·Renato Cassio RopertoSizenando Toledo Porto-Neto
May 29, 2008·Operative Dentistry·Francesca MonticelliMarco Ferrari
Jun 12, 2008·Journal of Biomaterials Science. Polymer Edition·Nicolas CheleuxMichel Degrange
Jun 28, 2012·The Journal of Advanced Prosthodontics·Ramin Mosharraf, Najmeh Baghaei Yazdi
Jun 12, 2013·The Journal of Advanced Prosthodontics·Ramin Mosharraf, Parisa Ranjbarian
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