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Effect of additional etching and ethanol-wet bonding on the dentin bond strength of one-step self-etch adhesives
Restorative Dentistry & Endodontics ; : 68-74, 2015.
Artigo em Inglês | WPRIM | ID: wpr-105467
ABSTRACT

OBJECTIVES:

This study examined the effects of additional acid etching on the dentin bond strength of one-step self-etch adhesives with different compositions and pH. The effect of ethanol wetting on etched dentin bond strength of self-etch adhesives was also evaluated. MATERIALS AND

METHODS:

Forty-two human permanent molars were classified into 21 groups according to the adhesive types (Clearfil SE Bond [SE, control]; G-aenial Bond [GB]; Xeno V [XV]; Beauti Bond [BB]; Adper Easy Bond [AE]; Single Bond Universal [SU]; All Bond Universal [AU]), and the dentin conditioning methods. Composite resins were placed on the dentin surfaces, and the teeth were sectioned. The microtensile bond strength was measured, and the failure mode of the fractured specimens was examined. The data were analyzed statistically using two-way ANOVA and Duncan's post hoc test.

RESULTS:

In GB, XV and SE (pH 0.05). In AU (pH = 3.2), additional etching increased the bond strength significantly (p < 0.05). When adhesives were applied to the acid etched dentin with ethanol-wet bonding, the bond strength was significantly higher than that of the no ethanol-wet bonding groups, and the incidence of cohesive failure was increased.

CONCLUSIONS:

The effect of additional acid etching on the dentin bond strength was influenced by the pH of one-step self-etch adhesives. Ethanol wetting on etched dentin could create a stronger bonding performance of one-step self-etch adhesives for acid etched dentin.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Dente / Adesivos / Incidência / Resinas Compostas / Dentina / Etanol / Concentração de Íons de Hidrogênio / Dente Molar Tipo de estudo: Estudo de incidência / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Restorative Dentistry & Endodontics Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Dente / Adesivos / Incidência / Resinas Compostas / Dentina / Etanol / Concentração de Íons de Hidrogênio / Dente Molar Tipo de estudo: Estudo de incidência / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Restorative Dentistry & Endodontics Ano de publicação: 2015 Tipo de documento: Artigo