In order to remove the dark spots on your teeth, you should first find the cause of the dark spots on your teeth. Generally speaking, there are 2 causes of black spots on teeth. The first is the exogenous pigmentation, this situation is common when the patient has some bad habits, or eat some colored food, such as patients often smoke, drink tea, coffee, cola, eat chocolate and this kind of food, may cause the exogenous coloring of the teeth, thus forming the black pigmentation on the teeth, for this situation. We can completely remove the black spots on the teeth by sandblasting, which is relatively simple and non-invasive. There is another kind of black spots on teeth, which is often called dental caries, it is due to the invasion of bacteria into the hard tissues of the teeth, which causes the change of the texture of the hard tissues of the teeth, for this kind of black spots, it is necessary to apply the power system of dentistry, that is, turbo turn, to remove the decayed parts of the teeth, and prepare the corresponding cavity shape, and then apply the special filling material to fill the cavity, so that is the treatment for this kind of black spots. This is the way to treat this kind of black spot.