Laser teeth whitening provides long-term advantages, and at the same it is the most pleasant procedure of teeth whitening. It enhances the overall sensation of vitality, and you look fresher and nicer. In regards to other procedures, laser whitening is shorter – it lasts only about 20 min, which makes it an ideal treatment to have while on your lunch break. Teeth sensitivity after the treatment is not so prominent, which is why this method is so popular in comparison with other methods. The results are visible immediately, and the teeth are normally 4 to 6 grades lighter.