Efeito da aplicação de selante e da armazenagem sobre a deformação permanente e resistencia a tração da união do condicionador tecidual com resina acrilica

TL;DRAbstract

The purpose of this study was to evaluate the performance of the tissue conditioner (Coe-Comfort), with or without sealer (treatment surface), in relation to permanent deformation and tensile bond strength between resin acrylic (QC-20) and tissue conditioner.In each study there were sixty samples divided in six groups(G), according to the surface treatment and storage time in water, which were the following: G 1-Coe-Comfort without sealer, after 1 hour of stored; G 2 -Coe-Comfort with sealer, after 1 hour of stored; G 3 -Coe-Comfort without sealer, after 1week of stored; G 4 -Coe-Comfort with sealer, after 1 week of stored; G 5 -Coe-Comfort without sealer, after 2 weeks of stored; G 6 -Coe-Comfort with sealer, after 2 weeks of stored.To make the samples metallic matrixes were used invested in flasks, and models were impressed in silicone filled up with acrylic resin and/or tissue conditioner.The samples were stored in water at 37±1ºC for a determined period.The permanent deformation te

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