Yellow and black scale of teeth may be calculus, pigmentation, caries, etc., which can be removed by scaling, orthodontic treatment, filling treatment and other methods.
1. Dental calculus: If the yellow and black scale of teeth is the yellow and black scale in the crevices of teeth, it is considered to be dental calculus, which is relatively hard and can not be removed by ordinary brushing, and needs to go to the hospital for ultrasonic scaling.
2. Pigmentation refers to the daily diet of tea scale and certain minerals in the diet and drinking water adsorbed on the surface of the teeth, and gradually make the teeth black and yellow, pigmentation can not be removed by ordinary brushing, the need for ultrasonic scaler.
If there are teeth are not straight, brushing can not be thoroughly clean, easy to cause the accumulation of dental calculus and pigmentation, but also need to improve the teeth through orthodontic methods.
3. Caries: Poor oral habits can lead to the destruction of the hard tissues of the teeth and the appearance of yellowish-brown or even black cavities. It is necessary to eliminate the black part of the carious cavity and fill it with composite resin, silver amalgam, etc. after treatment.
Teeth yellow black scale may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment.