Blackened teeth in infants and young children may be caused by oral unhygiene, medication factors, tooth decay and other reasons.
1. Oral hygiene: infants and young children do not brush their teeth and rinse their mouths in time after meals, and the melanin in the food is deposited on the surface of the milk teeth, so it leads to the blackening of the teeth.
2. Drug factors: for example, taking iron supplements, due to the deposition of drugs on the surface of the teeth, after a long time, resulting in staining the teeth black.
3. Tooth decay: infant teeth resistance to caries ability is relatively weak, often in the middle of the night feeding or breastfeeding after not rinsing, oral cleaning is not in place, easy to breed bacteria decomposition of local acid, tooth erosion leading to tooth decay, so the teeth black, can be accompanied by irritating pain.
There may be other reasons for blackened teeth in infants and young children, it is recommended to consult a doctor to identify the cause of the disease, and if necessary, follow the doctor’s instructions for treatment.