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  • Title: Peel bond strengths of five impression material tray adhesives.
    Author: MacSween R, Price RB.
    Journal: J Can Dent Assoc; 1991 Aug; 57(8):654-7. PubMed ID: 1889016.
    Abstract:
    The peel bond strengths of five impression materials and their tray adhesives to a perforated and non-perforated test surface were measured and the results were compared using a one-way ANOVA and Student Newman Keuls Multiple Range Test at p less than or equal to .05 level of significance. The auto-mix addition reaction silicone material Extrude produced the greatest peel bond strengths on both the non-perforated test surface (10.88 kg/cm2), and on the perforated test surface (15.88 kg/cm2). These bond strengths were greater than those obtained from the polysulphide and polyether materials used in the study. Using the perforated test surface significantly increased the peel bond strength for all the materials tested. It was concluded that in order to achieve the maximum adhesive bond, impression trays should be perforated. The greatest peel bond strengths were obtained using Extrude medium-body impression material.
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