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Caring for Your Child's Teeth

It's never too early for good dental care. With good oral health care, your child can grow up cavity-free. Start by caring for your baby's gums and teeth. As he or she grows, teach your child the best possible tooth care. Don't forget that healthy teeth and gums require regular visits to the dentist.

Mother cleaning babies mouth with swab.


Food and bacteria form a sticky substance called plaque on teeth. Bacteria in the plaque make acid that eats away at the tooth's enamel (hard coating), causing it to become porous and allowing bacteria to enter. This causes tooth decay. Brushing keeps plaque from forming. Begin cleaning your baby's gums a few days after birth. At first, use water and a piece of cotton gauze. As teeth come in, use a small toothbrush and a grain of rice-sized amount of fluoride toothpaste (because children tend to swallow the paste). When the child is old enough to brush on his or her own, watch to be sure it's done right.


Flossing removes bacteria and plaque from between the teeth and under the gums. Floss your child's teeth daily. When the child is old enough, a floss holder can help him or her floss.


Fluoride makes tooth enamel stronger. This helps prevent cavities. Find out if your community's water has fluoride added to it. If not, ask your dentist whether your child should be given fluoride supplements. Your dentist may also apply fluoride to your child's adult teeth at regular checkups.


Sealants are a safe, painless, and low-cost way to help protect your child's back teeth from decay. A thin plastic coating is bonded to the chewing surfaces of the molars and premolars. The sealant forms a hard shield that keeps food and bacteria from getting into the tiny grooves on the surface of the teeth.

Problems to watch for

Keep an eye on the following:

  • Tooth decay. Never let your child sleep with a bottle. Bottle liquids (even milk) that sit in the mouth can quickly cause tooth decay. Don't let your child drink or snack without brushing afterward.

  • Thumb sucking and pacifiers. Sucking on a thumb or pacifier is common for a baby. But if either habit continues past age 3 or 4, it may lead to tooth or jaw problems. If using a pacifier, an orthopedic pacifier is best for the teeth and jaws.

When to call the dentist

Call the dentist for any of the following:

  • Starting around age 1, your child should have regular dental checkups every 6 months.

  • Talk to your dentist if baby or adult teeth are crooked or fail to come in.

  • Call the dentist if you notice brown or black spots on your child's teeth.

  • If an adult tooth is loose, call your dentist. If a tooth is knocked out, get emergency dental care. Don't wash the tooth. Put it in milk until it can be put back in place.


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