Adhesion to dentin with resin using sulfinic acid initiator system

Dental Materials Journal
M M Nyunt, Y Imai

Abstract

A study was made on the dentin bonding of MMA/PMMA resin using sulfinic acid/BPO/amine polymerization initiator, to examine: 1) the effect of ferric and copper chloride contained in phosphoric acid or citric acid dentin conditioners, and 2) the effect of the addition of acidic monomers to the resin. Tensile bond strength was significantly improved by conditioning dentin with 10% phosphoric acid containing 3% ferric chloride. The citric acid-based conditioners and the addition of the copper salt to the acidic conditioners were less effective in improving bond strength. The mechanism of the improved bond strength is discussed in terms of polymerization promoting action of ferric ion at the dentin-resin interface. For improving bond strength, the presence of a suitable acidic monomer was essential. Its effectiveness depended on the types of acids: Two phosphoric acid ester monomers were effective but methacrylic acid had little effect.

Citations

Jun 24, 1999·Dental Materials : Official Publication of the Academy of Dental Materials·Y TairaM Atsuta
Feb 3, 2012·Journal of Investigative and Clinical Dentistry·Tae-Yub KwonMichael F Burrow
Oct 23, 2012·Dental Materials : Official Publication of the Academy of Dental Materials·Caroline ElyEvandro Piva
Sep 8, 2011·European Journal of Oral Sciences·Kensaku KogaMasashi Miyazaki
Sep 14, 2013·European Journal of Oral Sciences·Ayumi YamajiMasashi Miyazaki
Feb 24, 2006·Dental Materials : Official Publication of the Academy of Dental Materials·Nicoletta ChieffiMarco Ferrari
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Apr 7, 2007·Dental Materials Journal·Shogo Wakamatsu, Takuji Ikemi

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