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Shear Strength of the Composite Bond to Etched PorcelainMcGill University, Faculty of Dentistry, 740 Docteur Penfield, Montreal, Québec, Canada H3A 1A4
Boston University, School of Graduate Dentistry, 100 East Newton Street, Boston, Massachusetts 02118
Kaohsiung Medical College, Dental Department, 100 Su-Chung 1st Road, Kaohsiung, Taiwan The shear bond strength of composite resin to porcelain was investigated to optimize variables for bonding porcelain laminate veneers. Scanning electron microscopy was initially used to examine the surface configuration of porcelain prepared under various conditions. A factorial experiment was undertaken to determine the effects of three different bonding methods on both etched and non-etched porcelain. Composite resin was bonded to the porcelain groups using (a) unfilled resin, (b) silane, and (c) silane with dentin adhesive. The results indicated a significant difference in shear bond strength for the three bonding groups, depending on the porcelain surface condition. For the unetched samples, significant differences in bond strength were obtained for all three bonding conditions. However, for the etched group, there were no differences between the silane and silane-with-dentin-adhesive groups. Porcelain etching significantly increased bond strength across all three bonding methods and was the main contributor to the obtained values.
Journal of Dental Research, Vol. 66, No. 9,
1460-1465 (1987) This article has been cited by other articles:
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