The effective way to remove black spots on teeth is dental cleaning. 1. Dental scaling, also known as supragingival scaling, is to use dental instruments to remove tartar, plaque, black spots on the gums, etc., and to polish the surface of the teeth to reduce the deposition of tartar and plaque, and at present, scaling is the most effective way to remove plaque and tartar on the gums. 2. Dental scaling is divided into manual scaling and ultrasonic scaling two kinds of teeth, because of manual scaling time is long, the clinical use of ultrasonic scaling. The process of scaling mainly includes disinfection before operation, followed by manual scaling or ultrasonic scaling according to the patient’s condition, sandblasting treatment, and finally polishing after scaling to slow down the formation of plaque and black spots. 3. It should be noted that in the two weeks after scaling should not eat too cold, too hot, too sour, too sweet food, black spots on the teeth. It is recommended to go to the regular hospital stomatology treatment.