Bleaching is an aesthetic treatment that does not harm the teeth and consists of clarifying the tone of the tooth. Like all aesthetic treatments it is not permanent and periodic reminders have to be done to maintain the desired tooth color. The teeth of most people do not have a dazzling white color, which is the color desired today. The natural tooth has a yellow tone. But many teeth get stained due to what people take, eat and smoke, usually have stained teeth causing a yellowish and brown discoloration. The stains of the teeth can be removed and eliminated with teeth whitening products.