The technical principle of cold light whitening teeth is that high-intensity blue light with wavelength of 480-520 nm is transmitted through more than one mile12,000 optical fibers, and then all harmful ultraviolet rays and infrared rays are removed through two optical lenses coated for more than 30 times, and irradiated on the special whitening agent coated on teeth, so that the whitening agent can penetrate the dentinal tubules of teeth and the pigments deposited on the surface and deep layer of teeth for many years in the shortest time. 1. Price of cold-light teeth: The method of whitening cold-light teeth can treat a variety of tooth discoloration, such as yellow teeth and black teeth. Moreover, the situation of tooth discoloration will be different for each of us, so the price of cold light whitening treatment is also different. 2. The price of cold light tooth whitening is related to the individual teeth of beauty lovers. Everyone's teeth will change color, some are severe tetracycline teeth, and some are just exogenous coloring caused by coffee and cola. The specific tooth condition is different, the whitening scheme designed by doctors is different, and the price of cold light tooth whitening is different. 3. The price of cold-light tooth whitening and the relevant experts in the selected hospital said that cold-light tooth whitening is realized by using special cold light to act on high-concentration hydrogen peroxide, which needs professional dentists and cold-light operators to complete. Professional plastic surgery hospitals often have the most advanced international medical equipment and clinics.