dc.contributorUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:22:30Z
dc.date.accessioned2022-10-05T18:07:33Z
dc.date.available2014-05-27T11:22:30Z
dc.date.available2022-10-05T18:07:33Z
dc.date.created2014-05-27T11:22:30Z
dc.date.issued2007-07-01
dc.identifierJournal of Prosthodontics, v. 16, n. 4, p. 255-262, 2007.
dc.identifier1059-941X
dc.identifier1532-849X
dc.identifierhttp://hdl.handle.net/11449/69735
dc.identifier10.1111/j.1532-849X.2007.00188.x
dc.identifier2-s2.0-34250702648
dc.identifier8000248781842587
dc.identifier5737127334248549
dc.identifier8867670539105403
dc.identifier3003130522427820
dc.identifier0000-0002-7375-4714
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/3919137
dc.description.abstractPurpose: The effect of water immersion on the shear bond strength (SBS) between 1 heat-polymerizing acrylic resin (Lucitone 550-L) and 4 autopolymerizing reline resins (Kooliner-K, New Truliner-N, Tokuso Rebase Fast-T, Ufi Gel Hard-U) was investigated. Specimens relined with resin L were also evaluated. Materials and Methods: One hundred sixty cylinders (20 × 20 mm) of L denture base resin were processed, and the reline resins were packed on the prepared bonding surfaces using a split-mold (3.5 × 5.0 mm). Shear tests (0.5 mm/min) were performed on the specimens (n = 8) after polymerization (control), and after immersion in water at 37°C for 7, 90, and 180 days. All fractured surfaces were examined by scanning electron microscopy (SEM) to calculate the percentage of cohesive fracture (PCF). Shear data were analyzed with 2-way ANOVA and Tukey's test; Kruskall-Wallis test was used to analyze PCF data (α = 0.05). Results: After 90 days water immersion, an increase in the mean SBS was observed for U (11.13 to 16.53 MPa; p < 0.001) and T (9.08 to 13.24 MPa, p = 0.035), whereas resin L showed a decrease (21.74 MPa to 14.96 MPa; p < 0.001). The SBS of resins K (8.44 MPa) and N (7.98 MPa) remained unaffected. The mean PCF was lower than 32.6% for K, N, and T, and higher than 65.6% for U and L. Conclusions: Long-term water immersion did not adversely affect the bond of materials K, N, T, and U and decreased the values of resin L. Materials L and U failed cohesively, and K, N, and T failed adhesively. © 2007 by The American College of Prosthodontists.
dc.languageeng
dc.relationJournal of Prosthodontics
dc.relation1.745
dc.rightsAcesso restrito
dc.sourceScopus
dc.subjectAcrylic resins
dc.subjectRelining
dc.subjectShear strength
dc.subjectWater storage
dc.subjectacrylic acid resin
dc.subjectkooliner
dc.subjectLucitone
dc.subjectmethacrylic acid derivative
dc.subjectpolymer
dc.subjectsilastic
dc.subjectTokuso Rebase Fast
dc.subjecttruliner
dc.subjectUfi gel
dc.subjectunclassified drug
dc.subjectwater
dc.subjectadhesion
dc.subjectchemistry
dc.subjectdental bonding
dc.subjectdenture
dc.subjecthuman
dc.subjectimmersion
dc.subjectmaterials testing
dc.subjectmechanical stress
dc.subjectscanning electron microscopy
dc.subjectshear strength
dc.subjecttime
dc.subjectAcrylic Resins
dc.subjectAdhesiveness
dc.subjectDental Bonding
dc.subjectDenture Bases
dc.subjectDenture Liners
dc.subjectDenture Rebasing
dc.subjectHumans
dc.subjectImmersion
dc.subjectMaterials Testing
dc.subjectMethacrylates
dc.subjectMicroscopy, Electron, Scanning
dc.subjectPolymers
dc.subjectShear Strength
dc.subjectSilicone Elastomers
dc.subjectStress, Mechanical
dc.subjectTime Factors
dc.subjectWater
dc.titleThe effect of water immersion on the shear bond strength between chairside reline and denture base acrylic resins: Basic science research
dc.typeArtigo


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