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dc.creatorRodrigues, Paula Cicília Faquim-
dc.creatorSouza, João Batista de-
dc.creatorSoares, Carlos José-
dc.creatorLopes, Lawrence Gonzaga-
dc.creatorEstrela, Carlos-
dc.identifier.citationRODRIGUES, P. C. F. et al. Effect of ozone application on the resin-dentin microtensile bond strength. Operative Dentistry, Constanta, v. 36, n. 5, p. 537-544, 2011.pt_BR
dc.identifier.issne- 1559-2863-
dc.description.abstractWhen ozone is used during caries treatment, bond strength can be compromised by the release of oxygen. The use of antioxidant agents neutralizes the free oxygen. The aim of this study was to evaluate the effects of ozone and sodium ascorbate on resin-dentin microtensile bond strength (lTBS). Forty human third molars were divided into four groups: Group 1, not treated with ozone; Group 2, ozone application followed by acid etching; Group 3, acid etching followed by ozone application; and Group 4, ozone and application of sodium ascorbate. Bonded beams (1.0 mm2) were tested under tension (0.5 mm min 1). The lTBS values were analyzed using one-way analysis of variance (ANOVA) and the Tukey test (p¼0.05). All beams that fractured were analyzed under stereomicroscopy (403). Group 1 had significantly higher lTBS values than Group 2 or 3. The lTBS values of Groups 1 and 4 were similar and higher than those of Group 2. The use of ozone in Group 2 resulted in lower values of lTBS in all conditions evaluated. The predominant failure mode was adhesive. The application of ozone decreased the lTBS of the dentin-composite resin interface. These values were reversed when compared with Groups 1 and 2 when sodium ascorbate was used.pt_BR
dc.rightsAcesso Abertopt_BR
dc.titleEffect of ozone application on the resin-dentin microtensile bond strengthpt_BR
dc.publisher.departmentFaculdade de Odontologia - FO (RG)pt_BR
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