[header] How to use the led light to whiten teeth with whitening trays [title] Brush and floss your teeth. [step] Clean teeth are instrumental for good contact between the whitening gel and the tooth surfaces. [title] Apply a small amount of the carbamide peroxide bleaching gel to the whitening tray. 
[step] ( if you do not have a tray, order an impression set with your first supply of whitening gel. ) [title] Insert the tray into your mouth.