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Volume 6 , Issue 3
May/June 1993

Pages 303-306

The Effect of Custom Tray Material Type and Surface Treatment on the Tensile Bond Strength of an Impression Material/Adhesive System


PMID: 8397701

The purpose of this investigation was to evaluate the tensile bond strength of one type of impression material adhesive to three different custom tray materials: one autopolymerizing (Fastray) and two light-polymerizing (Triad and Extoral). The effect of different surface treatments was evaluated for each of the materials. No significant difference in impression material adhesive mean tensile bond strengths was exhibited for any of the materials as the result of variations in the surface treatment. It was observed that the Triad tray material groups, with different surface treatments, exhibited significantly higher impression material adhesive mean tensile bond strengths than the autopolymerizing tray resin and the Extoral light-polymerizing material.

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