IP Indian Journal of Orthodontics and Dentofacial Research

Print ISSN: 2581-9356

Online ISSN: 2581-9364

CODEN : IIJOCV

IP Indian Journal of Orthodontics and Dentofacial Research (IJODR) open access, peer-reviewed quarterly journal publishing since 2015 and is published under the Khyati Education and Research Foundation (KERF), is registered as a non-profit society (under the society registration act, 1860), Government of India with the vision of various accredited vocational courses in healthcare, education, paramedical, yoga, publication, teaching and research activity, with the aim of faster and better dissemination of knowledge, we will be publishing the more...

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Original Article


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236-240


Authors Details

Dip Gautam Choudhary*, Kuldeep Dmello, Rahul Pawar, Bhupendra Singh, Shreya Sharma


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Comparsion of the shear bond strength of ceramic brackets bonded to porcelain fused metal crowns and metal free ceramic crowns with and without silane coupling agent- an in vitro study


Original Article

Author Details : Dip Gautam Choudhary*, Kuldeep Dmello, Rahul Pawar, Bhupendra Singh, Shreya Sharma

Volume : 6, Issue : 4, Year : 2020

Article Page : 236-240

https://doi.org/10.18231/j.ijodr.2020.046



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Abstract

Aim: The aim of this study is to evaluate and compare the shear bond strength of ceramic brackets bonded
to porcelain fused metal crowns and metal free ceramic crowns with and without silane coupling agent.
Materials and Methods: 40 metal free zirconia crowns and 40 PFM crowns were fabricated with glazed
surfaces according to the manufacturer’s instructions for the study purpose. The samples were divided in
two groups A and B and each group was subdivided into two subgroups (A1, A2) and (B1, B2)
Sub-Group A1 and A2: Twenty metal free ceramic crowns were etched with 9% buffered HF acid gel for
2 minutes, thoroughly washed and air dried. Relyx ceramic primer (silane coupling agent) was applied to
the treated surface.
Subgroup B1 and B2: 20 porcelain fused metal crowns were etched with 9% buffered HF acid gel for 2
minutes, thoroughly washed and air dried. Relyx ceramic primer (silane coupling agent) was applied to the
treated surface. The shear bond strength of ceramic brackets bonded to porcelain fused metal crowns and
metal free ceramic crowns with and without silane coupling agent.
Statistical Analysis: ANOVA and Post hoc Tukey’s test (HSD) tests were used for statistical analysis.
Result: The result showed that group B1 demonstrate the maximum shear bond strength among all groups
which is 9%HF +Relyx ceramic primer application on porcelain fused metal crowns (10.27+1.31Mpa) and
has highly significant value. Whereas lowest shear bond strength belongs to group B2which is 9%HF and
primer is not applied (5.4+0.73 MPa).
Conclusion: Hence it can be concluded that Relyx ceramic primer is more aooropriate choice for bonding
orthodontic metal brackets on PFM and zirconia surfaces with conventional bonding system.

Keywords: Porcelain fused metal, Shear bond strength, Ceramic brackets, Megapascals.


How to cite : Choudhary D G, Dmello K, Pawar R, Singh B, Sharma S, Comparsion of the shear bond strength of ceramic brackets bonded to porcelain fused metal crowns and metal free ceramic crowns with and without silane coupling agent- an in vitro study. IP Indian J Orthod Dentofacial Res 2020;6(4):236-240

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