There is yellow soft tartar on the tooth surface, this kind of tooth stain can be removed by daily brushing and rinsing, brush your teeth three times a day, each time to ensure brushing for three minutes, use a soft-bristled toothbrush with a small head and an appropriate amount of fluoride toothpaste, brush your teeth with the paste method, so that each tooth surface can be cleaned, for the location of the tooth gap is not easy to clean, you can use dental floss or tooth gap brush to clean, through the maintenance of daily oral hygiene, the tooth Through daily oral hygiene maintenance, the yellow soft scale on the tooth surface can be cleaned. If the teeth are black-brown pigmentation, mostly seen in people who smoke and drink tea, or some people have very poor intraoral hygiene, black-brown tartar accumulation on the tooth surface, for this kind of tooth stains to go to the hospital to do ultrasonic cleaning, through high-frequency ultrasonic shock with water mist rinse to make the pigment and tartar out of the tooth surface, restore the original face of the teeth.