Each person has a different teeth colour. In many photos and movies of advertising you can see snow-white smiles of actors or models, but the whiteness portrayed in these materials is not a natural shade of your teeth. The teeth colour is an individual matter and depends on the degree of their mineralization. Many people do not realize that teeth whitening will not change the natural colour of your teeth, but brighten and remove unsightly discoloration.
Teeth whitening (with a tray, teeth whitening powder or other teeth whitening method) is not able to remove the discoloration of the enamel once and for all. At least for a while after the procedure you should keep the so-called "white diet" containing no tea or coffee, and take care of oral hygiene, to enjoy the effects of whitening for as long as possible. After each meal, the residues on the enamel can be removed with special teeth cleaning wipes or sticks.