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Brushing and flossing, age by age

What great home care looks like from the first tooth to the teenage years — the honest version, for real households.

Before the first tooth

Wipe your baby's gums with a clean, damp cloth after feedings. It keeps the mouth comfortable and builds a routine your child never remembers starting — which is exactly the point.

First tooth to age 3

Start brushing twice a day the day the first tooth appears, with a soft baby brush and a rice-grain smear of fluoride toothpaste. Knee-to-knee with another adult, or with your child's head in your lap, works better than wrestling at the sink. This is also when the first dental visit happens — by the first birthday.

Ages 3 to 7

Move up to a pea-sized amount of fluoride toothpaste, twice a day, two minutes. Your child can start the brushing — songs and timers help — but an adult should finish every session, especially at bedtime. Start flossing wherever two teeth touch.

Ages 7 to 12

Kids can gradually take over, with spot checks. New adult molars arrive around age 6 and again around age 12 — ask us about sealants when they do, because those deep grooves are where most childhood cavities start.

Teens

Independence plus braces, sports, and snack culture. Keep it practical: brush twice, floss once (floss picks count), a mouthguard for sports, and water instead of sports drinks and sodas most of the time. Teens with braces need extra time at the gumline — we'll show them how, without the lecture.

This guide is general education, not a diagnosis. Every child is different — when in doubt, call us at (615) 349-8450 and ask.

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Quick answers

Parents also ask

How much toothpaste should my child use?

A rice-grain smear of fluoride toothpaste as soon as the first tooth appears, and a pea-sized amount from about age 3. Spit, don't rinse.

When can kids brush by themselves?

Most children need an adult to brush for them or finish the job until around age 7 or 8 — about the same age they can tie shoes. Before that, let them start and you finish.

Do baby teeth really need this much care?

Yes. Baby teeth hold space for adult teeth, shape speech and chewing, and a decayed baby tooth hurts exactly as much as a decayed adult one. Healthy baby teeth are the foundation of a healthy adult smile.

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