Teeth bleaching product from the cleaning of external stains, or smacchiamento The friction produced by the toothbrush during the maneuvers daily oral hygiene has the effect of cleaning teeth stains from external enamel, but only by the action of rubbing. If you then use associated with toothpaste containing abrasives, the action of smacchiamento becomes very powerful. In this way you can bring back white teeth with changes in color due to obvious spots enamel surface, but we must wait, at most, the recon quest of the natural tooth color. (Test bleaching toothpastes – from Altroconsumo) Who cleans your teeth daily, using fluoride toothpaste and a proper brushing technique, does not need to remove stains from the outer surface of the enamel with hard toothbrushes and toothpaste containing abrasives. Action that also cause tooth enamel wear with yellowing tooth. It may however need to return it to its natural enamel transparency, since the colors in foods tend, over time, penetrate among the prisms of yellow glaze and decreasing the trans luster. E ‘uninsurable time that action is not defeated vigorously brushing your teeth or using any whitening toothpaste. Who wants to restore the enamel color of a time should use of specific products, for use under the supervision of a dentist.