Removal of dental plaque requires different methods according to the specific situation, including ultrasonic scaling and dental filling, as follows: 1. Ultrasonic scaling: If the dental plaque on the teeth is yellowish-brown, it often occurs in people who prefer smoking and drinking strong tea. In this case, ultrasonic scaling treatment is needed, using ultrasonic high-frequency oscillation, with a large amount of water mist rinse, can completely remove the tooth surface of the smoke and tea stains, as well as the black and brown tartar, to restore the original face of the teeth, to whitening teeth, prevention and treatment of periodontitis effect. 2, dental filling: If the tooth surface of the plaque is chalky or yellow-white, it means that the surface layer of the tooth enamel has It often occurs in people who do not pay attention to oral hygiene, do not brush their teeth properly, or prefer to eat sweet food and carbonated drinks. In this group of people, the enamel surface will be partially acidic and demineralized, thus forming chalky white plaque. For this kind of plaque, superficial filling is required, which means that the chalky demineralized tooth tissue should be completely removed and the defect should be restored with a composite resin type material.