Journal of Dental Research, Vol 67, 925-931, Copyright © 1988 by International & American Associations for Dental Research Online Journals

ARTICLES

DICOR surface treatments for enhanced bonding

L. F. Bailey and R. J. Bennett
Research and Development Laboratory, Sullivan Park, Corning Glass Works, New York 14831.

Treatments for preparing castable ceramic surfaces for enhanced bonding to specially formulated resin-based cements were examined. An ammonium bifluoride etch combined with gamma-methacryloxypropyl-trimethoxysilane produced shear bond strengths higher than when an ammonium bifluoride treatment was used alone. The method of curing the silane was highly significant in the contribution to the cement/substrate bond strength, with the heat-cure producing the highest values. Long-term water storage tests indicated that the cement bond with etch plus silane-treated castable ceramic surfaces (whether heat or chemically cured silane was used) demonstrated no significant decrease in strength after a one-year period.

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