Use of a self-etching primer in combination with a resin-modified glass ionomer: Effect of water and saliva contamination on shear bond strength

Vittorio Cacciafesta, Maria Francesca Sfondrini, Lucia Baluga, Andrea Scribante, Catherine Klersy

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The purpose of this study was to evaluate the effects of 3 different enamel conditioners (10% polyacrylic acid, 37% phosphoric acid, and self-etching primer) on the shear bond strength and site of bond failure of a resin-modified glass ionomer (Fuji Ortho LC, GC Europe, Leuven, Belgium) bonded onto dry, water-moistened, and saliva-moistened enamel. One hundred eighty bovine permanent mandibular incisors were randomly divided into 12 groups; each group consisted of 15 specimens. Three different enamel surface conditions were studied: dry, soaked with water, soaked with saliva. One hundred eighty stainless steel brackets were bonded with the resin-modified glass ionomer. After bonding, all samples were stored in distilled water for 24 hours and then tested in a shear mode on a testing machine. After self-etching primer application, Fuji Ortho LC produced the highest shear bond strengths under all the different enamel surface conditions; these values were significantly higher than those achieved in the remaining groups, except when Fuji Ortho LC was used in combination with 37% phosphoric acid on dry enamel. Fuji Ortho LC bonded without enamel conditioning produced the lowest shear bond strengths. The bond strength of the groups conditioned with 10% polyacrylic acid was significantly lower than that of the groups etched with 37% phosphoric acid, except when both conditioners were used on enamel soaked with water.

Original languageEnglish
Pages (from-to)420-426
Number of pages7
JournalAmerican Journal of Orthodontics and Dentofacial Orthopedics
Volume124
Issue number4
DOIs
Publication statusPublished - Oct 1 2003

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Shear Strength
Dental Enamel
Saliva
carbopol 940
Water
Belgium
Stainless Steel
Incisor
glass ionomer
Fuji Ortho LC

ASJC Scopus subject areas

  • Surgery
  • Dentistry(all)

Cite this

Use of a self-etching primer in combination with a resin-modified glass ionomer : Effect of water and saliva contamination on shear bond strength. / Cacciafesta, Vittorio; Sfondrini, Maria Francesca; Baluga, Lucia; Scribante, Andrea; Klersy, Catherine.

In: American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 124, No. 4, 01.10.2003, p. 420-426.

Research output: Contribution to journalArticle

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