LED whitening kits work the identical approach as tooth whitening strips, besides you might have a bit of further whitening enhance courtesy of LED lights. Dr. Hackney factors out that, “The LED mild itself doesn’t whiten tooth. However when mixed with a whitening agent, it considerably hastens the chemical response that makes our pearly whites whiter.”Mostly, LED whitening kits include a tray or a mouthpiece with a built-in LED mild. These normally have cords hooked up to them which you could plug into your cellphone or one other USB system to activate the LED mild.First, you apply a whitening agent instantly onto your tooth or into the tray or mouthpiece. That is normally made up of some kind of gel the place the lively ingredient is hydrogen peroxide. However to not fear, the hydrogen peroxide is available in such small doses that it may be safely absorbed with little to no discomfort. Secondly, an LED mild is held over your tooth for a set period of time (normally as much as 20 minutes) to extend penetration of the whitening agent into the enamel and speed up outcomes. As Dr. Hackney acknowledged, the LED mild and whitening agent work together to fade away stains, leaving you with whiter tooth over time.