tooth whitening apparatus

The principle of the tooth cold light whitening device is to use high-intensity blue light with a wavelength between 480-520 nanometers. This light is conducted through more than 12,000 fibers, with a total length exceeding one mile. It then passes through two pieces of optical lenses that have been treated with more than 30 layers of coating to separate all harmful ultraviolet and infrared light. This light is then shone on the special whitening agent applied to the teeth, causing the whitening agent to produce an oxidation-reduction reaction with the pigment that has been deposited on the teeth surface and in the deep layers over the years. This reaction allows the teeth to return to their original white color. This whitening technology not only works to whiten teeth that have been stained by smoking, drinking coffee, and other beverages for a long time, but also has good results for teeth discoloration caused by drugs (such as tetracycline teeth and fluorosis teeth), as well as for yellow teeth due to aging or heredity.