ZOOM! Advanced Power Plus In-office Whitening is the award winning chairside whitening system that lightens discolored teeth. Extensive work with optic experts led to the creation of a custom bulb which emits the highest optimal bleaching spectrum of any chairside whitening system. Also, ZOOM! Advanced Power Plus has been shown to be safe through extensive research and clinical studies. In less than an hour your teeth will always be lighter than they were before. It is dramatic, immediate and simply WOW!!