brass and silicon-carbide

Adhesive bond strength studies for the tray adhesive of an addition vinyl polysiloxane (President) impression material were conducted with an acrylic resin, chromium-plated brass, and plastic trays. Tensile and shear stress studies were performed on the Instron Universal testing machine. Acrylic resin specimens roughened with 80-grit silicon carbide paper exhibited appreciably higher bond strengths compared with different types of tray material and methods of surface preparation.

Topics: Acrylic Resins; Adhesives; Alloys; Carbon; Carbon Compounds, Inorganic; Chromium; Copper; Dental Bonding; Dental Impression Materials; Dental Impression Technique; Dental Stress Analysis; Materials Testing; Polystyrenes; Polyvinyls; Silicon; Silicon Compounds; Siloxanes; Stress, Mechanical; Surface Properties; Tensile Strength; Zinc