![]() However, the light from an LED will not change the color of your teeth if used alone. They do not have a warm-up time and immediately switch on at their highest intensity. LEDs are highly efficient and last longer than other light sources. When this interaction happens, the blue light penetrates the enamel and lifts existing stains. Blue light from the LED is then used to activate the whitening agent and start the chemical reaction. How Does LED Teeth Whitening Work?ĭuring the LED teeth whitening process, users first treat the teeth with a chemical agent that has bleaching properties. ![]() Cosmetic tooth bleaching is a global industry, with people spending $3.2 billion to brighten their teeth worldwide. To get a brighter smile, Americans spend $1.4 billion annually on nonprescription teeth whitening products. LED teeth whitening uses a tooth-whitening agent, such as hydrogen peroxide, and an LED (light-emitting diode) to whiten teeth. Whitening is accomplished by either the physical removal of the stain or a chemical reaction that lightens the tooth color. ![]() Tooth whitening is any process that lightens the color of a tooth.
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