Children’s teeth black can be removed through the development of habits or surgical treatment, the cause may be pigmentation, pulpal lesions, caries and other causes. 1. Hyperpigmentation: If your child’s teeth are dark due to hyperpigmentation on the surface of the teeth, it is recommended that your child maintain good brushing habits, avoid eating foods with pigmentation, maintain oral hygiene, and consider scaling when he or she grows up to deal with this condition. 2. Pulp lesions: If your child’s tooth pulp is diseased and necrotic, it may lead to a change in the color of the tooth, which can be treated with root canal therapy under the guidance of a doctor. 3. Caries: If the child’s teeth are decayed, it may cause the teeth to be blackened, and you can seek professional dentist for filling treatment. Children with black teeth can not be relieved, parents should take them to a professional dental hospital in time for diagnosis and treatment.