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ISSN 2395-9215 (Print)
Órgano Oficial de Difusión de la Facultad de Odontología de la UNAM

2014, Number 3

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Rev Mex Ortodon 2014; 2 (3)

Bond strength of brackets bonded with resin in contact with an alcoholic beverage

Castillejos CL, Sáez EG, Álvarez GC, Herrera CMG

Language: Spanish
References: 18
Page: 170-173
PDF size: 216.67 Kb.


ABSTRACT

The aim of this study was to determine the effect of an alcoholic drink (rum) in the adhesion of Transbond (3M) and Enlight (ORMCO) resins. Eighty brackets (0o) were bonded with Transbond and Enlight to healthy human teeth previously etched with phosphoric acid (37%). Each resin used its own adhesive. After bonding all teeth were immersed in physiologic serum at 7 oC for 24 hours and then thermocycled for 500 cycles; (5-55 oC). Forty samples were immersed in physiologic solution and the rest in the alcoholic drink for 12 days. At the end of 12 days, the force was measured in order to remove the bracket of each resin using a universal mechanical testing machine and the bond strength was calculated. The adhesion areas were observed in order to determine the failure site. The values were analyzed with ANOVA. The Enlight resin proved to have better bond strength than Transbond when both were immersed in serum but rum increased Transbond bond strength significantly. It was concluded that the medium changes the bond strength significantly. It was concluded that environment has an influence over bracket bond strength which could be an advantage for treatment since brackets have better adhesion but a disadvantage for the patients overall health.


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