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Back-to-School Teeth Prep: New Toothbrush, Water Rinse After Lunch, School Screenings

For the new school year, swap in a new toothbrush, rinse with water after lunch, and pack only water. Plus how to follow up on school dental screening results.

At a glance

  • Kick off the school year with a new toothbrush
  • Rinse with water after lunch, and pack only water
  • Screening says treatment needed? See a dentist soon

A new school year means a busy rush to get a new backpack, indoor shoes, and pencil case. While you're at it, getting teeth ready too sets your child up for the whole term. A new grade brings a new daily schedule, so it's a great time to reset brushing habits.

A new school year changes the daily rhythm

With a new school year, the whole day shifts, from wake-up time and lunchtime to after-school classes and sports. At times like this, brushing can quietly slip off the schedule. Mornings are too rushed, and at night kids are too tired and rush through it.

At school, there are many moments when protecting teeth is hard. There may be no good place or time to brush after school lunch. And if the water bottle is filled with juice or a sports drink, kids end up sipping it all day. Then teeth are exposed to sugar all day long, which makes cavities likely. Bacteria in the mouth make acid every time they get sugar, and the more often kids sip, the less time saliva has to help teeth recover.

As kids move up in grade, they have more to manage on their own. For younger grades, parents can check morning and evening brushing. For older kids, let them set and keep their own brushing times, and look together now and then at how well they did. On days when kids come home late from after-school classes, it's easy to have a snack and go straight to sleep, so those are the days to make sure they brush before bed.

School dental screenings are worth following up on at this time of year too. A school screening is a quick check that looks at many kids in a short time. Its purpose is to pick out kids who may have a problem, so it doesn't replace a full dental exam. That's why, if the screening result says treatment is recommended, be sure to have it checked again at the dentist. Don't throw away the result notice from school. Bringing it to the dentist makes it easier to talk about what needs to be looked at.

Back-to-school supplies and habits

  1. Give your child a new toothbrush. A brush with splayed bristles can't clean the tooth surface well.
  2. If your child can keep a toothbrush at school, pack a spare. A wet brush left in a case for a long time doesn't dry well, so when it comes home, take it out, rinse it, and stand it upright to dry.
  3. After school lunch, rinse the mouth with water, and brush if it's possible at school.
  4. Send only water in the water bottle. Even after PE or sports, quench thirst with water.
  5. In the morning before school and at night before bed: always keep up brushing twice a day. Use a pea-sized amount of fluoride toothpaste.
  6. If PE or a school sport involves contact, get a mouthguard ready.

In the first week of the new school year, set morning and evening brushing times together with your child. Tying brushing to other routines, like "after breakfast, before putting on your backpack" or "right after putting on pajamas," helps them remember. Some kids feel shy about brushing at school. In that case, just rinsing with water is fine, as long as the evening brushing is thorough.

A common mistake parents make is putting off a visit after the school screening says "treatment recommended," because their child doesn't say anything hurts. Early cavities often don't hurt. On the other hand, be careful not to skip regular checkups just because the school screening found nothing wrong.

United States guidance

US: Back to school

  • Some states and districts require a dental exam form at enrollment. Check the school's requirements.
  • If your child is starting a sport, get a mouthguard ready.
  • Start the year with a new toothbrush and a habit of rinsing with water after lunch.

Frequently asked questions

If the school screening found nothing, can we skip the dentist?

A school screening is a quick check and doesn't replace a full exam at the dentist. When the new school year starts, check whether a regular checkup is coming due.

Does my child really need to brush after school lunch?

Brushing is best if they can. If it's hard, have them rinse with water, and do a thorough job with evening brushing at home.

Is barley tea or milk okay in the water bottle?

For a bottle that gets sipped all day, water is best. Have your child drink other drinks at meals or snack time.

Does a mouthguard have to be fitted at the dentist?

What matters is which sport your child plays and how well the guard fits their mouth. If your child is joining a school sport, talk with the dentist at a regular checkup.

When to see the dentist

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Sources

The information in this article is for general educational purposes and does not replace professional dental care. Talk to a dentist about your child's condition.

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