Black stains on the surface of teeth can be removed if they are pigmented, and if they are caused by dental caries, it is necessary to grind off the decayed part and fill them.
1. Pigmentation: If you don’t pay attention to oral hygiene, often drink strong tea and coffee, smoking, may make pigmentation on the surface of the teeth, resulting in black stains on the surface of the teeth, which can be removed by paying attention to oral hygiene, changing dietary habits, ultrasonic scaling and other ways.
2. Caused by dental caries: when dental caries occurs, there will be a change in the color of the teeth, such as brown, dark brown, accompanied by tooth defects, this black stains can not be removed by brushing and scaling, you need to grind the decayed portion of the caries and fillings.
It may also be caused by other reasons, it is recommended to visit the hospital to clarify the cause of the disease and then treat it.