To remove the black spots on teeth, you should first distinguish what causes the black spots on teeth. Generally speaking, there are two kinds of causes for black spots on teeth, one is exogenous pigmentation and the other is dental caries. The so-called hyperpigmentation refers to some people’s poor oral hygiene and some bad habits or eating some special food, for example, some people often smoke, drink tea, drink coffee, eat chocolate. This kind of colored food or drink will form pigmentation on our teeth, forming tobacco and tea stains. Another kind is dental caries, which is a very common clinical disease, it is due to the invasion of bacteria into the hard tissues of the teeth, and cause the color and texture change of the hard tissues of the teeth, the most common is the black color of the teeth, forming black cavities, for this situation, we need to apply the turbo drill of dentistry to remove the decayed parts completely, and then apply the filling material to fill well, only to remove this kind of black spots. The way to remove this kind of black spot is to apply the turbine drill of dentistry to remove the decayed area completely and then fill it with filling material.