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Shear bond strengths of composite resin and giomer to mineral trioxide aggregate at different time intervals

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Shear bond strengths of composite resin and giomer to mineral trioxide aggregate at different time intervals

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dc.contributor.author Ajami, Amir Ahmad es
dc.contributor.author Bahari, Mahmood es
dc.contributor.author Hassanpour-Kashani, Arezoo es
dc.contributor.author Abed Kahnamoii, Mehdi es
dc.contributor.author Savadi-Oskoee, Ayda es
dc.contributor.author Azadi-Oskoee, Farhad es
dc.date.accessioned 2017-09-28T11:29:11Z
dc.date.available 2017-09-28T11:29:11Z
dc.date.issued 2017 es
dc.identifier.citation Ajami, Amir Ahmad ; Bahari, Mahmood ; Hassanpour-Kashani, Arezoo ; Abed Kahnamoii, Mehdi ; Savadi-Oskoee, Ayda ; Azadi-Oskoee, Farhad. Shear bond strengths of composite resin and giomer to mineral trioxide aggregate at different time intervals. En: Journal of Clinical and Experimental Dentistry, 9 7 2017: 906-911 es
dc.identifier.uri http://hdl.handle.net/10550/61248
dc.description.abstract The efficacy of the bond between the restorative materials and the pulp capping materials has an important role in the success of vital pulp therapy. Therefore, the aim of this study was to evaluate the shear bond strength of composite resin and giomer to MTA at different time intervals after mixing of MTA. Ninety cylindrical MTA samples were prepared and assigned to two groups (n=45) based on the restorative materials used (composite resin or giomer). Each group was subdivided into 3 subgroups (n=15) based on the evaluation intervals (immediately, 2.45 hours and 3 days after mixing MTA). After the bonding procedures, the shear bond strengths of the samples were measured in MPa at a strain rate of 0.5 mm/min. Data were analyzed with repeated-measures ANOVA, post hoc tests and t-test (P<0.05). Bond strength of composite resin was minimum at baseline but it increased significantly 2.45 hours after mixing MTA (P=0.002), with no significant changes in bond strength up to three days (P=0.08). Bond strength of giomer did not exhibit any significant changes from baseline to 2.45 hours after mixing MTA (P=078); however, at 3 days it reached a minimum (P=0.000). In addition, the means of bond strength of composite resin 2.45 hours and 3 days after mixing were significantly higher than those of giomer (P=0.001 and P=0.000, respectively). Bond strengths of composite resin 2.45 hours and also 3 days after mixing were significantly higher than those of giomer. In addition, the shear bond strength of giomer decreased over time; however, the shear bond strength of composite resin increased. es
dc.title Shear bond strengths of composite resin and giomer to mineral trioxide aggregate at different time intervals es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.53791 es
dc.type.hasVersion VoR es_ES

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