Children’s teeth blackening treatment according to the cause to determine, mainly the following points: 1, pigmentation: professional doctors can use polishing cream, plus special instruments slowly polish all the pigment, throw away, the child must pay attention to oral dietary habits in the future, that is, eat less easily pigmented food, such as chocolate, black rice porridge, braised pork ribs and other heavily colored food, or after eating must be a good brush, rinse mouth The pigment is removed so that the pigment does not adhere to the teeth. Also remind the children who drink Chinese medicine, the pigmentation of Chinese medicine is more obvious because many children drink Chinese medicine, just simply drink the water after drinking, not carefully brush the teeth clean, the pigmentation is easy to settle on the teeth again, so parents should pay a little attention to the diet; 2, caries black: caries generally because of organic decomposition, inorganic material demineralization to form cavities. If tooth decay causes blackness, it must be treated as early as possible, because early filling treatment is simpler, the child can tolerate it, and the long-term effect is better, if it is not treated early, it may affect the pulp, which may cause toothache and affect sleep, chewing, growth and development and a series of problems, so it must be treated as early as possible.