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Journal of Dental Specialities


An in vivo comparative analysis of bond survival rate between two different bonding techniques


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Author Details: Nisheeth Sharma,Shalaj Bhatnagar,Payal Sharma,Piush Kumar,Rishibha Bhardwaj*

Volume : 6

Issue : 2

Online ISSN : 2393-9834

Print ISSN : 2320-7302

Article First Page : 126

Article End Page : 130


Abstract

Aim: The purpose of this study is to compare the survival rate of orthodontic brackets using two different bonding techniques.
Materials and Methods: Twenty patients requiring fixed orthodontic treatment were selected according to the inclusion and exclusion criteria after obtaining informed consent.
Result: Twenty patients were selected with the mean age group of 17.5 ±5 years. A total of 360 brackets were bonded (180 brackets in each bonding technique) and were evaluated for survival rate for six months. The direct bonded bracket failure was only 6 out of 180 sample size and for the indirect bonded group was 8 out of 180. The total breakages were 14 including both the groups. The direct bonding group had 95.6% of survival rate which was lower when compared to 96.7% that of direct bonding group. The two bonding groups did not significantly differ in the survival rate. In the posterior region, most of the breakages were observed (12 nos.). ARI score 1 and 2 was found to be more prevalent in the direct bonding technique whereas in the indirect bonding brackets ARI score was found to be equally distributed amongst the group. However there was no significant difference in the ARI scores between the two bonding groups.
Conclusion: The overall bond failure rate was minimal, irrespective of the type of technique used to bond the brackets. Bond failure occurred at the bracket-adhesive interface. There was no statistical difference in the ARI scores between the two groups.

Keywords: Orthodontic brackets, Direct bonding, Indirect bonding, Bond failure.

Doi :-https://doi.org/10.18231/2393-9834.2018.0029