Patent 7581864 was granted and assigned to Discus Dental on September, 2009 by the United States Patent and Trademark Office.
A system and method for tooth bleaching are disclosed wherein a patient's mouth is prepped for tooth bleaching treatment, a light activated tooth bleaching composition is applied on a tooth surface to be bleached, a lamp assembly is placed in position to activate the oxidizing compound in the bleaching composition, and one or more spacer is coupled to the patient and to the lamp assembly to set a distance between the two.