Effect of sodium sulfite, carboxylic monomer, and phosphoric acid etching on bonding of tri-n-butylborane initiated resin to human enamel

Hiroshi Nogawa, Hiroyasu Koizumi, Nobutaka Akazawa, Haruto Hiraba, Mitsuo Nakamura, Hideo Matsumura

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The purpose of the present study is evaluation of bonding durability of tri-n-butylborane (TBB) initiated resin without 4-methacryloyloxyethyl trimellitate anhydride (4-META) joined to human enamel. Ground human enamel was bonded with TBB resin under six surface conditions: 1) as ground, 2) primed with Teeth Primer, 3) sodium sulfite solution, 4) 4-META solution, 5) acetone-water, and 6) phosphoric acid etching. Pre- and post-thermocycling bond strengths and change in strength after thermocycling were compared. Etching enamel with 35-45% phosphoric acid enhanced bonding durability between enamel and TBB-initiated resin. Priming with Teeth Primer or 4-META solution improved bond strength between enamel and TBB-initiated resin. Sodium sulfite had little effect on enamel bonding in the present bonding systems.

Original languageEnglish
Pages (from-to)17-24
Number of pages8
JournalJournal of Oral Science
Volume57
Issue number1
DOIs
Publication statusPublished - 25 Mar 2015

Keywords

  • Anhydride
  • Enamel
  • Etching
  • Phosphoric acid
  • Sodium sulfite
  • Tri-n-butylborane

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