Shear bond strength, microleakage and SEM study of the XR Bond adhesive system.

W. W. Barkmeier, R. L. Cooley

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Abstract

A new resin dentin adhesive consisting of a primer (phosphonate dimethacrylate) and bonding agent (phosphonated BIS-GMA) was evaluated with bond strength tests, marginal microleakage studies, and SEM examination. The mean bond strength to dentin was 15.6 +/- 3.7 MPa. Microleakage studies found no marginal leakage at the enamel cavosurface margin and very minimal microleakage at the dentin/cementum margins. SEM examination showed that the primer was very effective in modifying the smear layer.

Original languageEnglish (US)
Pages (from-to)111-115
Number of pages5
JournalAmerican journal of dentistry
Volume2 Spec No
StatePublished - Jul 1 1989

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All Science Journal Classification (ASJC) codes

  • Dentistry(all)

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