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Volume: 6 , Issue: 2

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IP Indian Journal of Orthodontics and Dentofacial Research

Comparison of shear bond strength of different bonding materials bonded with primer and without primer - An in vivo study

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Research Article

Author Details : Abhimanyu Rohmetra*, Niharika Gupta, Ankita Jaiswal, Ragni Tandon, Kamlesh Singh

Volume : 6, Issue : 2, Year : 2020

Article Page : 56-62

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Objective: To evaluate intra group and intergroup comparison between three different adhesives with and
without primer.
Materials and Methods: A total of 120 first premolars were selected randomly for in vivo study and are
divided into six groupsGroup 1-(Transbond XT with Primer), Group 2 (Transbond XT without Primer),
Group 3 (Orthofix with Primer), Group 4 (Orthofix without Primer), Group 5 (Flowable Composite with
Primer), Group 6 (Flowable Composite without Primer). Metal brackets were bonded on teeth by using
three different adhesives :Transbond XT, Orthofix and Flowable composite with and without primer. shear
bond strength was assessed by modified testing machine with adhesive remnant index(ARI) score for
different adhesives
Results: Statistical analysis showed The mean shear bond strength of Transbond XT was maximum
(9.773.09MPa) followed by that of Orthofix (8.752.04MPa) and minimum of Flowable composite
(7.821.71MPa)and ARI suggested that the fracture occurred between composite and bracket interface.
Conclusion: Transbond XT has the highest shear bond strength while the flowable composite has the least
strength but it is more than the optimal strength required hence can be used in bonding. Orthofix showed
shear bond strength equivalent to Transbond XT when used without primer.

Keywords: Shear bond strength, Adhesive remnant index, Orthodontic adhesives.

Doi : 10.18231/j.ijodr.2020.012

How to cite : Rohmetra A, Gupta N, Jaiswal A, Tandon R, Singh K, Comparison of shear bond strength of different bonding materials bonded with primer and without primer - An in vivo study. IP Indian J Orthod Dentofacial Res 2020;6(2):56-62

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