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How to Prevent Tooth Decay in Your Baby

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Baby teeth are important. If baby teeth are lost too early, the teeth that are left may move and not leave any room for adult teeth to come in. Also, if tooth decay is not prevented, it can be costly to treat, cause pain, and lead to life-threatening infections.

Tooth decay (called early childhood caries) is the most common chronic infectious disease of childhood. Tooth decay may also be called nursing caries or baby bottle tooth decay.

Healthy dental habits should begin early because tooth decay can develop as soon as the first tooth comes in. Here is information for parents and caregivers from the American Academy of Pediatrics about causes of tooth decay, signs of tooth decay, and how to prevent tooth decay.

Causes of tooth decay

Tooth decay develops when a baby's mouth is infected by acid-producing bacteria. Parents and caregivers can pass bacteria to babies through saliva. For example, bacteria is spread by sharing saliva on spoons or cups, testing foods before feeding them to babies, and cleaning off a pacifier in the parent's or caregiver's mouth.

Tooth decay also develops when the child's teeth and gums are exposed to any liquid or food other than water for long periods or frequently throughout the day. Natural or added sugars in the liquid or food are changed to acid by bacteria in the mouth. This acid then dissolves the outer part of the teeth, causing them to decay.

The most common way this happens is when parents put their children to bed with a bottle of formula, milk, juice (even when mixed with water), soft drinks (soda, pop), sugar water, or sugared drinks. It can also occur when children are allowed to frequently drink anything other than water from a sippy cup or bottle during the day or night. Milk should be served only with meals and not offered throughout the day, at nap time or at bedtime. Although extended and frequent breastfeeding alone does not cause tooth decay, all breastfeeding mothers should be aware of and follow oral hygiene, fluoride, preventive dental care, and healthy diet recommendations.

Signs of tooth decay

Tooth decay might first appear as white spots at the gum line on the upper front teeth. These spots are hard to see at first—even for a child's doctor or dentist—without proper equipment. A child with tooth decay needs to be examined and treated early to stop the decay from spreading and to prevent further damage.

How to prevent tooth decay

Take the following steps to prevent tooth decay:

Remember

Tooth decay can be prevented. Talk with your child's doctor or dentist if you see any sign of decay in your child's teeth or if you have questions about your child's teeth. With the right care, your child can grow up to have healthy teeth for a lifetime of smiles.

The American Academy of Pediatrics recommends that

Listing of resources does not imply an endorsement by the American Academy of Pediatrics (AAP). The AAP is not responsible for the content of external resources. Information was current at the time of publication.

Products are mentioned for informational purposes only and do not imply an endorsement by the American Academy of Pediatrics.

The information contained in this publication should not be used as a substitute for the medical care and advice of your pediatrician. There may be variations in treatment that your pediatrician may recommend based on individual facts and circumstances.