Pediatric dental guide

Parent’s Guide to Healthy Teeth by Age

A stage-by-stage guide to your child’s teeth, habits, growth, and prevention.

Reviewed by Dr. Jaron Perkins, DMDPediatric Dental Specialist
Parent’s Guide to Healthy Teeth by Age cover

A stage-by-stage guide to your child’s teeth, habits, growth, and prevention. This guide gives you practical, parent-friendly information to help you understand the topic and know what to discuss with your child’s dental team.

Key takeaways

  • Children need different dental routines at different ages.
  • Baby teeth matter because they support chewing, speech, spacing, and comfort.
  • Regular visits help catch small issues before they become bigger problems.

Infants

Before teeth come in, gently wipe your baby’s gums with a soft cloth. Once the first tooth appears, begin brushing with a small, soft toothbrush and a tiny smear of fluoride toothpaste if recommended by your dentist.

Toddlers

Toddlers need help brushing every day. Use a small amount of toothpaste, avoid putting children to bed with bottles or sugary drinks, and begin building simple routines that feel consistent and calm.

Preschool Children

Preschoolers often want independence, but they still need adult help with brushing. Focus on morning and bedtime routines, healthy snacks, and regular dental visits.

School-Age Children

As permanent teeth begin to appear, prevention becomes especially important. Sealants, fluoride, brushing support, flossing help, and habit counseling can all protect developing smiles.

Tweens And Teens

Older children may need reminders about brushing, flossing, sports mouthguards, orthodontic care, and limiting frequent sugary drinks. Consistency matters more than perfection.

When To Ask For Help

Ask your child’s dentist if you notice pain, swelling, mouth breathing, snoring, crowding, delayed tooth eruption, white spots, or cavities. Early guidance can prevent bigger concerns.

Common parent questions

Frequently asked questions

When should I start brushing my child’s teeth?

Begin brushing as soon as the first tooth appears. Before teeth erupt, you can gently wipe your baby’s gums with a soft cloth.

How long does my child need help brushing?

Most children need adult help longer than parents expect. Supervision is especially important while children are building coordination and consistency.

Why do baby teeth matter?

Baby teeth help children chew, speak, smile, and hold space for adult teeth. Keeping them healthy supports comfort and development.

Still have questions?

Get answers specific to your child.

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