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Year : 2009  |  Volume : 9  |  Issue : 4  |  Page : 209-213

Manufacturer supplied tray adhesive vs. Universal tray adhesive: An in vitro study

Department of Prosthodontics, ISS Dental College and Hospital, Mysore, India

Correspondence Address:
Divy Vashisht
723. block 53. sector 4. New Shimla, Himachal Pradesh
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Source of Support: None, Conflict of Interest: None

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Objective: The purpose of this study is to evaluate and compare the tensile bond strength of GC Universal paint-on adhesive and the adhesive supplied by the rnanufacturer using vinyl polysiloxane impression materials (medium body and heavy body) with autopolymerizing acrylic (PMMA) custom tray material. Material and Methods: A total of 120 custom tray resin and poly vinyl chloride specimens were fabricated. Effectiveness of universal tray adhesive was compared with the manufacturad tray adhesive using the two viscosities of two brands of vinyl polysiloxane impression materials and tested. For tensile strength testing, different viscosities of the brands were dispensed in the cylinders attached to the custom tray specimen coated by the universal and rnanufacturer supplied tray adhesive. Each of these specimens was then subjected to tensile load in Lioyd's Universal Testing Machine. Data obtained was statistically analyzed. Results: Analysis of tensile bond strength revealed that the universal tray adhesive showed better strength and was statistically significant when compared to the rnanufacturer supplied tray adhesive. The tensile bond strength test revealed statistically significant difference between the two brands of vinyl polysiloxane. Conclusion: Within the limitations of this in vitro study, the universal tray adhesive is more effective than the rnanufacturer supplied tray adhesives.

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