, you should get a dental check up twice a year. You can get an inch closer to teeth whitening if you have frequent dental cleaning. If your teeth discoloration is too much as it is brought by aging, your genes, and other causes, then professional teeth whitening is a good option. This is a short, and safe dental procedure that is meant to remove stain and whiten teeth. The advance bleaching process effectively whitens teeth in less than an hour. The whitening system acts beyond just giving you white teeth. You will also be assisted with maintaining white teeth. So as long as you take care of your teeth, and seek professional dental care when needed, you'll be able to maintain white teeth.