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espanolEl proposito de este estudio fue evaluar el efecto del uso de los auxiliares de higiene oral combinados con agentes blanqueadores sobre la microdureza y la micro-morfologia del esmalte dental. Materiales y metodos. Se utilizaron 40 incisivos humanos y se seccionaron para obtener muestras de 4x4 mm los cuales se dividieron en cuatro grupos de estudio. Grupo 1: cepillado electrico con pasta de dientes (BTP); Grupo 2: cepillado electrico con pasta dental+enjuague bucal (BTP+MW); Grupo 3: cepillado electrico con pasta dental+pluma blanqueadora (BTP+WP); Grupo 4: cepillado electrico con pasta dental+enjuague bucal+pluma blanqueadora (BTP+MW+WP). Las muestras fueron analizadas por medio de microdurezaVickers y microscopia electronica de barrido (SEM). Resultados. Todos los grupos, con la excepcion del grupo 1, mostraron una disminucion en los valores de microdureza despues de aplicar los tratamientos (p EnglishThe purpose of this study was to evaluate the effect of the use of the combined auxiliaries of oral hygiene with whitening agents on the micro-hardness and micro-morphology of dental enamel. Materials and Methods. 40 human incisors were used and sectioned to obtain 4x4mm samples and divided into four study groups. Group 1: Electric brushing with Toothpaste (BTP); Group 2: Electric brushing with Toothpaste+mouthwash (BTP+MW); Group 3: Electric brushing with Toothpaste+whitening pen (BTP+WP); Group 4: Electric brushing with Toothpaste+mouth wash+whitening pen (BTP+MW+WP). Samples were submitted toVickers micro-hardness test and visualized using scanning electron microscopy (SEM). Results. All groups, with the exception of group 1, showed a decrease in micro-hardness values after applying the treatments (p

Characterization of Enamel After the Use of Oral Hygiene Auxiliaries with Whiteners