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Type: Artigo de periódico
Title: Dentine Bond Strength And Antimicrobial Activity Evaluation Of Adhesive Systems
Author: Andre
Carolina Bosso; Figueiredo Almeida Gomes
Brenda Paula; Duque
Thais Mageste; Stipp
Rafael Nobrega; Chan
Daniel Chi Ngai; Bovi Ambrosano
Glaucia Maria; Giannini
Abstract: Objectives: This study evaluated the dentine bond strength (BS) and the antibacterial activity (AA) of six adhesives against strict anaerobic and facultative bacteria. Methods: Three adhesives containing antibacterial components (Gluma 2Bond (glutaraldehyde)/G2B, Clearfil SE Protect (MDPB)/CSP and Peak Universal Bond (PUB)/chlorhexidine) and the same adhesive versions without antibacterial agents (Gluma Comfort Bond/GCB, Clearfil SE Bond/CSB and Peak LC Bond/PLB) were tested. The AA of adhesives and control groups was evaluated by direct contact method against four strict anaerobic and four facultative bacteria. After incubation, according to the appropriate periods of time for each microorganism, the time to kill microorganisms was measured. For BS, the adhesives were applied according to manufacturers' recommendations and teeth restored with composite. Teeth (n = 10) were sectioned to obtain bonded beams specimens, which were tested after artificial saliva storage for one week and one year. BS data were analyzed using two-way ANOVA and Tukey test. Results: Saliva storage for one year reduces the BS only for GCB. In general G2B and GCB required at least 24 h for killing microorganisms. PUB and PLB killed only strict anaerobic microorganisms after 24 h. For CSP the average time to eliminate the Streptococcus mutans and strict anaerobic oral pathogens was 30 min. CSB showed no AA against facultative bacteria, but had AA against some strict anaerobic microorganisms. Conclusions: Storage time had no effect on the BS for most of the adhesives. The time required to kill bacteria depended on the type of adhesive and never was less than 10 min. Clinical significance: Most of the adhesives showed stable bond strength after one year and the Clearfil SE Protect may be a good alternative in restorative procedures performed on dentine, considering its adequate bond strength and better antibacterial activity. (C) 2015 Elsevier Ltd. All rights reserved.
Subject: Antibacterial Activity
Periodontal Health
Country: OXFORD
Citation: Dentine Bond Strength And Antimicrobial Activity Evaluation Of Adhesive Systems. Elsevier Sci Ltd, v. 43, p. 466-475 APR-2015.
Rights: embargo
Identifier DOI: 10.1016/j.jdent.2015.01.004
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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