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Shear bond strength of composite resin to amalgam: an experiment in vitro using different bonding systems
F Hadavi1, J H Hey, E R Ambrose
1University of Saskatchewan, College of Dentistry, Saskatoon, Canada.
Operative Dentistry
|January 1, 1991
Abstract:
The shear bond strength between amalgam and composite resin with and without the use of adhesive systems was evaluated. It was found that the application of Cover-Up II or Prisma Universal Bond prior to placement of composite resin enhanced the shear bond strength between amalgam and composite resin more than five times; and a shear strength of 4.34 and 4.30 MPa was measured respectively. Acid-etching of the roughened amalgam surface prior to application of Prisma Universal Bond decreased the bond strength by nearly 45%.