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VOLUME 7 , ISSUE 1 ( January-March, 2016 ) > List of Articles


Bond Strength of Reline Resins to Aged-simulated Denture Base Acrylic Resin

Alessandra Buhler Borges, Carlos Rocha Gomes Torres, Graziela Ribeiro Batista, Eduardo Bresciani, Erica Crastechini, Rayssa Ferreira Zanatta

Citation Information : Borges AB, Torres CR, Batista GR, Bresciani E, Crastechini E, Zanatta RF. Bond Strength of Reline Resins to Aged-simulated Denture Base Acrylic Resin. World J Dent 2016; 7 (1):1-5.

DOI: 10.5005/jp-journals-10015-1353

Published Online: 01-03-2016

Copyright Statement:  Copyright © 2016; The Author(s).



The aim of this study was to evaluate the bond strength of different direct reliners to acrylic resin for denture base.

Materials and methods

Double-cone specimens were made: HA-heat-cured acrylic resin-(n = 20); U-Ufi Gel Hard C-(n = 10); K: Kooliner-(n = 10); R-Rebase II Fast-(n = 10) and RH-Rebase II Fast + Resin Hardener-(n = 10). Ten HA samples were immediately submitted to cohesive test. The remaining HA samples and others were submitted to thermal aging (HAaged, 1000 cycles, 5.55oC), followed by tensile test. For tensile strength, 50 single cone-shaped samples were made of heat-cured acrylic resin and aged (HAaged, 1000 cycles, 5.55oC). After surface treatment, relining resin cones were build up using silicon molds, and stressed to failure. Values of cohesive and tensile strength were submitted to one-way ANOVA and Tukey's test (α = 5%).


Bond strength were: HA/HAaged: 21.17 (±4.89)a, U/HAaged: 11.56 (±1.98)b, R/HAaged: 9.69 (±2.37)b, RH/ HAaged: 9.38 (±1.78)bc and K/HAaged: 5.98 (±1.90)c. The cohesive strength were: KCoe: 22.29(±4.06)a; RCoe: 23.99 (±3.29)a; RHCoe: 24.84 (±3.88)a; UCoe: 25.62 (±3.03)a; HAaged: 36.06 (±8.65)b and HA:42.29 (±7.68)b. Groups followed by the same letters do not show differences.


Bond strength of acrylic resin to acrylic denture base material is higher than the reliners and Ufi Gel Hard C showed the higher bond strength.

How to cite this article

Zanatta RF, Batista GR, Crastechini É, Bresciani E, Borges AB, Torres CRG. Bond Strength of Reline Resins to Aged-simulated Denture Base Acrylic Resin. World J Dent 2016;7(1):1-5.

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