Bond strength of a resin cement to a composite inlay material

Mark A. Latta, Wayne W. Barkmeier

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Although resin cements have been effectively bonded to mineralized tooth structures, bonding to a cured composite material has remained a challenge. This study evaluated the shear bond strength of a resin cement bonded to a cured composite inlay material by use of a variety of composite surface treatments: (1) hydrofluoric acid/60 seconds, (2) ammonium bifluoride/60 seconds, (3) resin adhesive, (4) microabrasion with 50 μm aluminum oxide, and (5) microabrasion with 50 μm aluminum oxide and application of a resin adhesive. The resin cement was also bonded to human enamel that was etched with phosphoric acid. Scanning electron microscopy examinations were completed to evaluate the effects of the composite surface treatments. The results indicated that microabrasion of a cured composite enhances bonding of a resin cement. The bond strength of a resin cement to a composite surface that was air abraded with aluminum oxide, with or without the application of a resin adhesive, was higher than surface treatments with hydrofluoric acid or ammonium bifluoride. Scanning electron microscopy indicated that an irregular surface on the composite was created with aluminum oxide air abrasion.

Original languageEnglish (US)
Pages (from-to)189-193
Number of pages5
JournalThe Journal of Prosthetic Dentistry
Issue number2
StatePublished - Aug 1994

All Science Journal Classification (ASJC) codes

  • Oral Surgery


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