Yellow stains on the inside of the teeth can be removed by scaling. Yellow stains on the inside of the teeth are made up of tea scale, tobacco stains, calculus, plaque and other substances, once formed, it is difficult to remove them simply by rinsing and brushing, and if some other means are used to remove them, it may cause damage to the gums and it is difficult to clean them up, so they should be scaled in a regular hospital stomatology department. Yellow stains on the inside of the teeth, you can go to the regular hospital stomatology department for scaling, through the ultrasonic oscillation, the teeth on the calculus plaque and color bacteria clean, and then polish the teeth, can effectively reduce the plaque adhesion and the formation of dental calculus. In daily life, patients should pay attention to oral hygiene, using the correct way of brushing, and every six months or a year to the dental institution for scaling and dental examination, found that the problem is disposed of as soon as possible.