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Information Journal Paper

Title

EFFECT OF POSTOPERATIVE BLEACHING ON MICROLEAKAGE OF ETCH-AND-RINSE AND SELF-ETCH ADHESIVES

Pages

  16-21

Abstract

 Background: Bleaching the discoloured teeth may affect the tooth/composite interface. The aim of this in vitro experimental study was to evaluate the effect of vital TOOTH BLEACHING on microleakage of existent class V composite resin restorations bonded with three dental BONDING AGENTS.Methods: Class V cavities were prepared on buccal surfaces of 72 intact, extracted human anterior teeth with gingival margins in DENTIN and occlusal margins in enamel, and randomly divided into 3 groups. Cavities in the three groups were treated with Scotch bond Multi-Purpose, a total etch system and Prompt L-Pop and iBond, two self-etch adhesives. All teeth were restored with Z250 resin composite material and thermo-cycled. Each group was equally divided into the control and the bleached subgroups (n=12). The bleached subgroups were bleached with 15% carbamide peroxide gel for 8 hours a day for 15 days. Microleakage scores were evaluated on the incisal and cervical walls. Data were analyzed using Kruskal-Wallis, Mann-Whitney and Bonferroni post-hoc tests (a=0.05).Results: Bleaching with carbamide peroxide gel significantly increased the microleakage of composite restorations in Prompt L-Pop group at DENTINal walls (P=0.001). Bleaching had no effect on microleakage of restorations in the Scotch bond Multi-Purpose and iBond groups.Conclusion: Vital TOOTH BLEACHING with carbamide peroxide gel has an adverse effect on marginal seal of DENTINal walls of existent composite resin restorations bonded with prompt L-Pop self-etch adhesive.

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    APA: Copy

    MORTAZAVI, VAJIHESADAT, FATHI, MOHAMMAD HOSSEIN, & SOLTANI, FEREIDON. (2011). EFFECT OF POSTOPERATIVE BLEACHING ON MICROLEAKAGE OF ETCH-AND-RINSE AND SELF-ETCH ADHESIVES. DENTAL RESEARCH JOURNAL, 8(1), 16-21. SID. https://sid.ir/paper/325034/en

    Vancouver: Copy

    MORTAZAVI VAJIHESADAT, FATHI MOHAMMAD HOSSEIN, SOLTANI FEREIDON. EFFECT OF POSTOPERATIVE BLEACHING ON MICROLEAKAGE OF ETCH-AND-RINSE AND SELF-ETCH ADHESIVES. DENTAL RESEARCH JOURNAL[Internet]. 2011;8(1):16-21. Available from: https://sid.ir/paper/325034/en

    IEEE: Copy

    VAJIHESADAT MORTAZAVI, MOHAMMAD HOSSEIN FATHI, and FEREIDON SOLTANI, “EFFECT OF POSTOPERATIVE BLEACHING ON MICROLEAKAGE OF ETCH-AND-RINSE AND SELF-ETCH ADHESIVES,” DENTAL RESEARCH JOURNAL, vol. 8, no. 1, pp. 16–21, 2011, [Online]. Available: https://sid.ir/paper/325034/en

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