Effect of a functional monomer (MDP) on the enamel bond durability of single-step self-etch adhesives

Kenji Tsuchiya, Toshiki Takamizawa, Wayne W. Barkmeier, Keishi Tsubota, Akimasa Tsujimoto, Thomas P. Berry, Robert L. Erickson, Mark A. Latta, Masashi Miyazaki

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

The present study aimed to determine the effect of the functional monomer, 10-methacryloxydecyl dihydrogen phosphate (MDP), on the enamel bond durability of single-step self-etch adhesives through integrating fatigue testing and long-term water storage. An MDP-containing self-etch adhesive, Clearfil Bond SE ONE (SE), and an experimental adhesive, MDP-free (MF), which comprised the same ingredients as SE apart from MDP, were used. Shear bond strength (SBS) and shear fatigue strength (SFS) were measured with or without phosphoric acid pre-etching. The specimens were stored in distilled water for 24 h, 6 months, or 1 yr. Although similar SBS and SFS values were obtained for SE with pre-etching and for MF after 24 h of storage in distilled water, SE with pre-etching showed higher SBS and SFS values than MF after storage in water for 6 months or 1 yr. Regardless of the pre-etching procedure, SE showed higher SBS and SFS values after 6 months of storage in distilled water than after 24 h or 1 yr. To conclude, MDP might play an important role in enhancing not only bond strength but also bond durability with respect to repeated subcritical loading after long-term water storage.

Original languageEnglish (US)
Pages (from-to)96-102
Number of pages7
JournalEuropean Journal of Oral Sciences
Volume124
Issue number1
DOIs
StatePublished - Feb 1 2016

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

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