The teeth are continually exposed to various colors that are contained in foods, beverages, pharmaceuticals, tobacco, and cosmetics. The consequence is discoloration, the change of the color of the teeth. Often the cause of staining of the teeth is intake of certain medications in early childhood, which leads to a sustainable change in the color of the teeth. Teeth whitening technology is prominent among the conservative methods of esthetic dental treatment. Currently, there are two main types of tooth whitening - in-office and at-home.They allow for a relatively easy and quick achievement of a significant improvement in dental esthetics. The popularity of teeth whitening is growing every day. Millions of patients worldwide have successfully used different methods of teeth whitening and have achieved excellent esthetic results!