For the bleaching of the intrinsic color of teeth are needed substances can penetrate inside the tooth structure and discolored substances pigmentanti.
Products based on peroxides have proved extremely effective because of their ability to penetrate the enamel prisms, to the dentine, and oxidize the colored substances are present here. They function as bleaching agents in yellowing due to aging of the teeth and, most surprising, can change the natural color of teeth. In these particular cases are the only ones able to make them become more white and bright
The only drawback is that that their use requires, especially for products more concentrated and therefore more effective, the supervision of a professional. E ‘required a visit to detect any contraindications, the construction of templates for individual home and precise instructions on how to apply, or the use of special lamps for treatment in the study.