Teeth whitening device Blue UV Light The central element of the system isLight Arch Cold light brightening principle: When lightening with cold light, blue light with a wavelength of 400 to 500 nm is used (the temperature does not change much, therefore it is called cold light) A peroxide solution with a concentration of 20 to 38% on the surface of the teeth is catalyzed by the action of hydrogen redoxide generates free radicals, changes the carbon structure of the pigment and makes the teeth brighter and whiter. The offered set with activated LED light clearly whitens teeth, eliminates bacteria that cause the formation of plaque and caries. Set includes strong LED points Indications for brightening in cold light: the color of the surface of the teeth becomes darker with age and even brown-orange. Also smoking, coffee, tea, red wine, etc. or congenital, genetic and medical (such as tetracycline) tooth discoloration can improve tooth color by brightening in cold light