Influence of in situ postbleaching times on shear bond strength of resin-based composite restorations.
作者： Marcos Eugenio Bittencourt , Micheline Sandini Trentin , Maria Salete Sandini Linden , Ynara Bosco de Oliveira Lima Arsati , Fabiana Mantovani Gomes França
DOI: 10.14219/JADA.ARCHIVE.2010.0164
关键词: Dentistry 、 Shear bond 、 Hydrogen peroxide 、 Enamel paint 、 Dentin 、 Bond strength 、 Maxillary central incisor 、 Resin-Based Composite 、 Materials science 、 Adhesive
摘要: ABSTRACT Background The authors conducted an in situ study of the influence various time intervals after tooth bleaching with 35 percent hydrogen peroxide on bond strength resin-based composite restorations. Methods After selecting 20 participants, randomly fixed enamel and dentin blocks onto buccal surfaces posterior maxillary teeth one week before performing peroxide. treatment, they removed block or prepared it for tests according to these intervals: no treatment (controls), immediately bleaching, seven days 14 21 bleaching. Results analysis variance Tukey test showed significant differences between times ( P Conclusions found that reduces is necessary wait adhesive restorative procedures. Clinical Implications results this suggest clinicians should allow elapse completion in-office placing
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