Dental Problems

Causes of Black Spots on Teeth in Children


Preventing-Dental-Injuries-in-ChildrenBlack spots are the discoloration on the teeth that can occur due to various reasons. The discoloration is seen when the tooth enamel is damaged. At first, the whiteness of the tooth is lost and then slowly the middle softer dentin tissue is destroyed leading to black spots. There are many different causes of black spots on teeth in children. Thus, one should take some preventive measure to avoid the condition taking causes into consideration. In this article, there is a brief discussion on the causes of black spots on children’s teeth. Let us examine them.


Causes of black spots on teeth in children

The following listed are the black spots on teeth causes in children.

    • Poor dental hygiene:

      This is the major cause of many different oral and dental diseases, infections and problems. Improper brushing and flossing and poor oral hygiene is the cause as it leads to the formation of plaque and debris. Plaque is the thin-bio-film of the germs or bacterial growth on the teeth and gums. Bacteria are naturally present in the mouth and should be removed by brushing and flossing. Increase in the plaque formation can increase its activity inside the mouth and causes infections and problems such as black or brown spots on the teeth.

    • Drinks and foods:

      Many different types of drinks and foods could stain kid’s teeth.

      1. Nursing bottle syndrome:

        This is also called as bottle rot or caries. This cause decay of the tooth or the teeth can turn black when a baby falls asleep with a bottle of sugary milk or sugary juice.

      2. Older kids can develop discoloration of their teeth from the drinks and foods such as coffee, tea, soy sauce, potatoes, cherries, berries and soft drinks like coco cola in addition to vitamins or food containing a high content of iron.
      3. Foods containing high fructose content or corn syrup when used for any (short or long) length of time will lead to discoloration and cause tooth decay.
      4. Young kids with bottle rot need an immediate attention by the dentist.


  • Medication:

    1. They can also cause kid’s teeth to discolor and darken.
    2. There are some antibiotics such as antihistamines and tetracycline such as Benadryl that can discolor, stain and darken a kid’s developing teeth.
    3. Pregnant women who take tetracycline will cause their kid’s teeth to blacken in future.
  • Diseases:


    1. Some diseases affect the outer hard surface of the teeth, enamel. While other diseases affect the inner softer tissue dentin, which is present beneath the enamel of the tooth.
    2. Salivary dysfunction:

      This disease disrupts the part which saliva helps in removing the food, and other stuck debris or materials between the teeth that can lead to dark spots on the teeth.
      Leukemia, cancer, sickle cell anemia, measles, chicken pox, scarlet fever, streptococcus infections and diabetes can also lead to the tooth enamel discoloration.

    3. Pregnant women with infections could affect a baby’s tooth enamel development, causing kid’s teeth to turn dark when it comes in.
    4. There are many hereditary diseases which can lead to black teeth in kids.
  • Minerals and fluoride:

    1. Minerals from the well water could also darken the developing teeth, particularly when the kids have a disease which prevents the formation of the protecting tooth enamel.
    2. Fluoride helps protect the teeth, but high concentration of it in the toothpaste or water can darken kids’ teeth. Many kids swallow the toothpaste which can also cause blackening of their teeth.
    3. Kid under the age of 3 years must use toothpaste without the fluoride content to avoid the teeth to turn black.
    4. Buying and using nursery water for baby bottles, drinking water, food preparation and for brushing the teeth could prevent teeth blackening caused by the well water.

The above listed are some of the causes of black spots on the teeth in children. Thus, one must take some preventive measures to avoid the condition. Proper dental and oral hygiene must be used as early as a kid gets the first tooth. One can also include activities for oral hygiene for children so that they adapt these habit much easily and know its importance. Teeth need to be brushed on for 2 to 4 minutes on every surface of the tooth and flossing is also very important.

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