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The European Journal of Orthodontics 1996 18(1):89-95; doi:10.1093/ejo/18.1.89
© 1996 by European Orthodontic Society
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Comparative shear bond strength of some orthodontic bonding resins to enamel

L. M. Trimpeneers*, R. M. H Verbeeck**, L. R. Dermaut*, and M. G. Moors***

*Departments of Orthodontics University of Gent Belgium
**Departments of Dental Materials, University of Gent Belgium
***Departments of Nonferrous Metallurgy, University of Gent Belgium

Address for correspondence L. R. Dermaut, University of Gent Dental School, Department of Orthodontics, De Pintelaan 185, B-9000 Gent, Belgium

The aim of this study was to compare the in vitro bond strength, to bovine enamel measured in shear, of the orthodontic adhesives Lee Insta-bond (LiB), Rely-a-Bond (RaB), Right-on (Ro), Concise precoating method (Cc), Concise mixed method (Cab), Super-C (Sc), and Orthon (Or), and of the glass ionomer cement Ketac-Cem (KC). The fracture surfaces after debonding were also examined in order to determine the sites of failure.

The results indicate that there is a significant difference between the shear bond strength obtained with the different adhesives so that the mean shear bond strength decreases in the order {Ro{small tilde}Cab{small tilde}Sc}>{LiB{small tilde}RaB{small tilde}Cc}>Or>KC. Moreover, for Cab and So it was found that the shear bond strength varies depending on the location on the bovine tooth. The failure site was essentially at the resin-bracket interface, except for Concise, where only 50 per cent of the cases failed at the resin-bracket interface.


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E. Jonke, A. Franz, J. Freudenthaler, F. Konig, H.-P. Bantleon, and A. Schedle
Cytotoxicity and shear bond strength of four orthodontic adhesive systems
Eur J Orthod, October 1, 2008; 30(5): 495 - 502.
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