Skip Navigation



The European Journal of Orthodontics Advance Access published online on December 10, 2008
The European Journal of Orthodontics, doi:10.1093/ejo/cjn086
This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow All Versions of this Article:
31/2/207    most recent
cjn086v1
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Add to My Personal Archive
Right arrow Download to citation manager
Right arrowRequest Permissions
Google Scholar
Right arrow Articles by Germec, D.
Right arrow Articles by Cakan, M.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Germec, D.
Right arrow Articles by Cakan, M.
Social Bookmarking
Add to CiteULike   Add to Connotea   Add to Del.icio.us  
What's this?

© The Author 2008. Published by Oxford University Press on behalf of the European Orthodontic Society. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Shear bond strength of brackets bonded to amalgam with different intermediate resins and adhesives

Derya Germec*, Umut Cakan**, Fulya Isik Ozdemir*, Tulin Arun* and Murat Cakan***

* Department of Orthodontics, Yeditepe University
** Private Practice, Istanbul
*** Department of Mechanical Engineering, Istanbul Technical University, Turkey

Address for correspondence, Dr Derya Germec, Yeditepe University, Faculty of Dentistry, Department of Orthodontics, Bagdat cd. No. 238, 34728 Goztepe, Istanbul, Turkey, E-mail: dgermec{at}yeditepe.edu.tr


  Abstract

The aims of this study were to compare, in vitro, the shear bond strength (SBS) of stainless steel orthodontic brackets bonded to silver amalgam with the use of three different intermediate resins and two different adhesives, and to evaluate bond failure mode. Forty-five amalgam specimens were divided into three equal groups. In groups 1 and 2, the brackets were bonded with Unite (3M Unitek) using Reliance Metal Primer (RMP; Reliance Orthodontic Products) and Power BondTM OLC (PB OLC; Ortho Organizers Inc.) as intermediate resins, respectively. In group 3, Resinomer and One-Step Plus (OS+; Bisco Inc.) were used. Thirty bovine teeth served as the controls to test bracket bonding to acid-etched enamel with Unite and Resinomer–OS+. After thermocycling from 10 to 50°C 1000 times, all samples were tested for SBS. Bond failure sites were classified using a modified adhesive remnant index (ARI) system. Data were analyzed with one-way analysis of variance, post hoc Tukey multiple comparison and chi-square tests.

The results showed that the mean SBS to amalgam surfaces were significantly lower than those to etched bovine enamel (P < 0.001). There were no statistically significant differences in mean SBS between the amalgam bonding groups (P > 0.05). For the ARI, significant differences were found between the amalgam- and enamel-bonding groups (P < 0.001).

The mean SBS of stainless steel orthodontic brackets bonded to amalgam surfaces with RMP, PB OLC, OS+ intermediate resins and Unite and Resinomer adhesives was significantly lower than to etched bovine enamel. Bond failure occurred at the amalgam–adhesive interface regardless of the adhesive system and without damage to the amalgam restoration.


Add to CiteULike CiteULike   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us    What's this?




Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department.