Objective. To evaluate the dentin-resin bond´s resistance (DRBR) of the adhesives Optibond FL (OFL), Adper Single Bond 2 (ASB2) and Single Bond Universal (SBU) with its self-engraving possibility, in three different times of application. Methods. Experimental, comparative and crossectional in vitro study. We used nine human molars, obtaining 135 specimens of 1 mm2 approximately, forming nine study groups of 15 specimens for each group. The DRBR was measured through the Microtunsion test at a tensile force with an acceleration of 0.5mm/min until a fracture.The contrast of difference hypotheses was performed using the one-factor ANOVA test and Tukey's multiple comparisons, both at a confidence level of 95%. Results. After 10 seconds, significant differences were found between the OFL adhesive systems (25.78 ± 5.98 MPa) vs ASB2 (from 14.02 ± 3.06 MPa) at p<0.001, as well as between OF...

Objective. To evaluate the dentin-resin bond´s resistance (DRBR) of the adhesives Optibond FL (OFL), Adper Single Bond 2 (ASB2) and Single Bond Universal (SBU) with its self-engraving possibility, in three different times of application. Methods. Experimental, comparative and crossectional in vitro study. We used nine human molars, obtaining 135 specimens of 1 mm2 approximately, forming nine study groups of 15 specimens for each group. The DRBR was measured through the Microtunsion test at a tensile force with an acceleration of 0.5mm/min until a fracture.The contrast of difference hypotheses was performed using the one-factor ANOVA test and Tukey's multiple comparisons, both at a confidence level of 95%. Results. After 10 seconds, significant differences were found between the OFL adhesive systems (25.78 ± 5.98 MPa) vs ASB2 (from 14.02 ± 3.06 MPa) at p<0.001, as well as between OF...

Determina y compara la fuerza adhesiva Dentina-Resina en tres adhesivos Optibond FL kerr (OFL), Adper Single Bond 2 3M (ASB2) y Single Bond Universal 3M (SBU) y empleados cada uno, en tres tiempos diferentes de frotación. Desarrolla un estudio experimental In Vitro, comparativo, prospectivo y trasversal con muestra no probabilística por conveniencia, para ello se seleccionaron 9 terceras molares inferiores humanas integras, sin rasgos clínicos de caries dental o algún tipo de restauración. Se eliminó 3mm ±1mm correspondiente a la superficie oclusal, las molares fueron divididas en 9 grupos: Grupos A, B y C para OFL aplicando el “primer” frotando 10, 20 y 30 segundos respectivamente; grupos D, E y F para ASB2 aplicado con frotación durante 10, 20 y 30 segundos respectivamente; Grupos G,H e I para SBU con su posibilidad de autograbado aplicado con frotación durante 10, 20 y 30...