IP Indian Journal of Orthodontics and Dentofacial Research
Official Publication of Khyati Education And Research Foundation
Official Publication of Khyati Education And Research Foundation
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...Original Article
Author Details :
Volume : 3, Issue : 3, Year : 2017
Article Page : 176-181
Abstract
Orthodontist face a range of problems during treatment, one commonly being bracket failure. The reason for this occurrence is usually either because of the patient’s inadvertently applying improper forces to the bracket or of a poor bonding technique. As a result of this a significant amount of precious clinical time is wasted in rebonding brackets in a busy orthodontic practice. This study evaluates the effect of repeated bonding on the shear bond strength of orthodontic brackets. Thirty freshly extracted human premolars were collected and stored in a solution of 0.1% (wt/vol) thymol. The teeth were cleaned, polished, and etched with a 37% phosphoric acid gel. The brackets were bonded with the adhesive and light cured for 40 seconds. The teeth were sequentially bonded and debonded 3 times with the same composite orthodontic adhesive. The results of the analysis of variance comparing the shear bond strength at the 3 debonding attempts indicated that, the highest values for shear bond strength were obtained after the initial bonding. Rebonded teeth have considerably lower and inconsistent shear bond strength. The shear bond strength after two debonding procedures significantly decreased, but was still above the recommended required bond strength.
How to cite : Sharma M K, Majumder P, Chokotiya H, Sharma M, Sharma P, The changes in shear bond strength due to repeated bonding - an in vitro study. IP Indian J Orthod Dentofacial Res 2017;3(3):176-181
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