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. 2015;34(4):449-57.
doi: 10.4012/dmj.2014-315.

Influence of the bracket on bonding and physical behavior of orthodontic resin cements

Victoria Bolaños-Carmona  1 , Bilal Zein, Mario Menéndez-Núñez, Purificación Sánchez-Sánchez, Laura Ceballos-García, Santiago González-López
Affiliations
Free article

Influence of the bracket on bonding and physical behavior of orthodontic resin cements

Victoria Bolaños-Carmona et al. Dent Mater J. 2015.
Free article

Abstract

The aim of the study is to determine the influence of the type of bracket, on bond strength, microhardness and conversion degree (CD) of four resin orthodontic cements. Micro-tensile bond strength (µTBS) test between the bracket base and the cement was carried out on glass-hour-shaped specimens (n=20). Vickers Hardness Number (VHN) and micro-Raman spectra were recorded in situ under the bracket base. Weibull distribution, ANOVA and non-parametric test were applied for data analysis (p<0.05). The highest values of ή as well as the β Weibull parameter were obtained for metallic brackets with Transbond™ plastic brackets with the self-curing cement showing the worst performance. The CD was from 80% to 62.5%.

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