The most popular method is laser teeth whitening in which the teeth smeared with a special gel, and then using a laser beam which activates the gel, your teeth begin to change color. The advantage of this method is that it does not injure the enamel and is perfect even for people with sensitive teeth. After this procedure you will not only become the owner of white teeth, but also to strengthen the enamel. But this is not the only effective way, which is used by professionals around the world.
In the chemical bleaching teeth is applied a special gel, and then using the catalyst accelerates the whitening process. The catalyst may perform a special chemical compound, heat, ultraviolet radiation. It is worth noting that the chemical bleaching causes tooth enamel greater harm than the laser. However, both procedures are painless and have a lasting effect.
If the patient has changed color individual tooth, the dentist can offer him one inner tooth whitening. It is used for mechanical trauma or after removal of the tooth nerve, when the color darkens dramatically. Conducted an internal bleaching as follows: inside the tooth introduced a special whitening gel is then placed a temporary filling; during the next visit gel is applied again, after the completion of the permanent seal cavity is closed.
Also, some clinics provide special gels and mouth guards for home teeth whitening. You may have to wear these aligners two or three weeks. This type of whitening will give you white teeth by as much as six months. If you decide to professional teeth whitening, be sure to consult with an experienced dentist who carefully studied the condition of your teeth will advise you the best option.