Teeth yellow teeth paste stickers do not have much effect, even if there is a certain effect is generally maintained for a relatively short period of time. If the patient wants to whiten the teeth can be considered to the stomatology clinic, the stomatology will be based on the nature of the patient’s teeth to judge, if the teeth are yellow because the surface of the teeth have stains and calculus affect the color of the teeth, which can be cleaned through the whole mouth cleaning the way the calculus, the teeth will return to the original color. If the teeth are yellow because of the color of the teeth itself, you can consider cold light whitening treatment, cold light whitening is in the teeth of the surface coated with a layer of 30% or so of the hydrogen peroxide gel, and then irradiate the cold light for 40 minutes or so can achieve a better whitening effect, the general maintenance of the efficacy of the drug in 3-5 years, 3-5 years after the teeth will restore the color of its own after the teeth can be whitening treatment again.