Locally owned · Open Saturdays

School age, ages 6 to 12

The year they turn six is the busiest one

Baby teeth start falling out, permanent molars slide in at the back without anyone noticing, and the teeth that have to last your child a lifetime begin arriving. A small amount of protection now goes a very long way.

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SealantsMinutes to place, no drilling or freezing

Open SaturdaysCheck-ups without missing school

Bite assessmentPart of a regular visit

What changes at six

These are the teeth your child keeps

Between ages six and twelve your child loses their baby teeth and gains permanent ones, starting with the first molars at around age six. Those molars arrive behind the baby teeth, with nothing falling out to announce them. They are the most decay-prone teeth in the mouth and the ones that gain most from sealants. We also track how the bite and the jaw are developing at these visits.

Everything up to now was temporary. From six onwards, the teeth coming in are the ones your child will still be chewing with at sixty, and what gets decided in this window, about sealants, about mouthguards, about whether the bite needs a hand, stays decided for a very long time.

It is also when children start brushing alone, usually a little earlier than they are ready for. The hand control for a proper job does not arrive until around eight, and the new molars sit in the hardest place in the mouth to reach. Put those two together and you get a high-risk stretch hiding inside a child who looks perfectly capable.

School Age at a check-up
Parent and child together
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1,500+ reviews

Ages 6 to 12

What’s changing in there right now

The stage with the most moving parts, and the most worth protecting.

The six-year molars

Permanent, and they arrive at the very back with no loose tooth to announce them. Most parents never spot them. They are first in line for sealing.

Whether sealants are on

A coating over the deep grooves of the chewing surface, where most cavities at this age begin. No drilling, and the moment that counts is right as the tooth arrives.

How teeth are being lost

Usually in the order they arrived, from about six to twelve. Adult teeth coming in behind baby teeth, or nothing loose by seven and a half, are worth checking.

How the bite is developing

Crowding, crossbite and jaw growth all become visible now. Caught while the jaw is still growing, it can be guided. Left until growth finishes, it has to be corrected.

Sport and knocks

Permanent front teeth arrive at seven and hockey starts about then too. A knocked-out adult tooth is a same-day emergency where the first hour counts.

Whether brushing is still supervised

Most children this age have been left to it. Checking their work until around eight, and spot-checking after that, catches a lot before it becomes a filling.

Calgary specific

If they play hockey, get a guard that fits

A custom mouthguard is made to your child’s mouth, so it stays put and it gets worn. The boil-and-bite kind from a sports shop mostly doesn’t. Those end up chewed through, in a bag, or at the bottom of a locker.

This matters more here than at any other age. The permanent front teeth arrive around age seven, and the collision sports tend to start at about the same time. A knocked-out baby tooth is a nuisance. A knocked-out permanent tooth at eight is something your child carries for the rest of their life.

And it is not only hockey. Basketball, soccer, skateboarding and ringette all send us the same injuries. If your child does any of them regularly, say so at the next check-up and we can take the impression at that visit.

A dentist high-fiving a school-age boy in the chair

At home

What to keep doing at home

The habits that carry into adulthood are set in this window.

  1. Building Healthy Brushing Habits That Last

    Between the ages of 6 and 12, children are developing the habits and routines that will shape their oral health for years to come. While they may want to brush independently, parental supervision and guidance are still important to ensure they’re brushing effectively.

    This is also why visiting the dentist every six months is so valuable. Regular checkups give our pediatric dentists the opportunity to reinforce proper brushing techniques, discuss healthy dietary and snacking habits, and remind children why taking care of their teeth matters.

    Through repetition, positive encouragement, and age-appropriate education, we help children build confidence, take responsibility for their oral health, and develop healthy habits that last a lifetime.

  2. Don’t Forget Those Back Molars!

    As your child’s permanent molars begin to erupt, they appear further back than any teeth they’ve brushed before, making them easy to miss. A helpful trick is to have your child partially close their mouth, which relaxes the cheek muscles and makes it easier to angle the toothbrush along the cheeks to reach those hard-to-clean back molars.

    At Children’s Dental Health Centre, our dental hygienists teach children these practical brushing techniques through hands-on learning at our dedicated toothbrushing stations. As part of our prevention program, we focus on building confidence, improving brushing skills, and reinforcing healthy habits at every visit.

    A little practice today can make a big difference in preventing cavities tomorrow!

  3. Floss where teeth touch, every night

    By this age most back teeth are in contact. This is where the cavities we cannot see are forming, and it is the habit most likely to be missed.

  4. Sort out the mouthguard before the season, not after

    One that fits gets worn. A boil-and-bite guard that lives in the bottom of the bag protects nothing at all.

  5. Watch sports drinks and sour candy

    Both are acidic enough to soften enamel directly, independent of sugar. Sipped across a whole game or a whole afternoon, they do real damage to teeth that have only just arrived.

Questions

What parents ask at this age

What are six-year molars and did I miss them?

Almost certainly, and almost every parent does. They are the first permanent molars, and they arrive around age six at the very back of the mouth, behind all the baby teeth. Because no baby tooth is pushed out to make room, nothing gets loose and there is no tooth fairy visit, so they turn up unannounced. They are permanent, they have to last a lifetime, and their chewing surface has grooves narrower than a toothbrush bristle, which makes them the most cavity-prone teeth your child has.

Does my child need sealants?

Most children benefit from them on the permanent molars, and the best moment is shortly after each molar arrives: around age six, then again around twelve. A sealant is a thin coating painted into the deep grooves of the chewing surface, where the large majority of cavities at this age begin. There is no drilling and no freezing, and it takes a few minutes per tooth. They wear down over time, so we check them at every visit.

When should my child be assessed for braces?

Earlier than you might think! The American Association of Orthodontists recommends that children have their first orthodontic assessment by age 7, but that doesn’t mean they need braces right away.

At Children’s Dental Health Centre, our pediatric dentists monitor your child’s teeth, bite, and jaw development from their earliest visits. During regular checkups, we look for signs of crowding, spacing concerns, bite problems, and jaw growth differences that may benefit from early intervention.

Some children may benefit from Phase 1 orthodontic treatment, which can help guide jaw development, create space for incoming permanent teeth, or correct certain bite problems while they are still growing. Others may simply need continued monitoring until more permanent teeth have erupted.

Timing matters because growth matters. Once growth is completed, there are limitations in what orthodontics can do to help align teeth or improve function.

The goal isn’t to start braces early. It’s to identify the right time for treatment, if treatment is needed at all.

With regular visits, our pediatric dentists can help guide your child’s developing smile and recommend orthodontic care at the most appropriate stage.

My child is seven and hasn’t lost a tooth. Should I worry?

Not necessarily! Every child’s smile develops at its own pace. Most children begin losing their baby teeth around age 6, but some start later. Children whose baby teeth erupted later than average may also lose them later.

However, it’s important to make sure the permanent teeth are developing normally beneath the gums. Approximately 2–4% of children have one or more congenitally missing permanent teeth, meaning those adult teeth never developed.

Around age 7, or when your child’s first permanent teeth begin erupting, our pediatric dentists assess their dental growth and development. When appropriate, we may recommend a panoramic X-ray, which provides a broader view of the developing teeth and jaws. This helps us evaluate:

Missing permanent teeth: Confirm whether the adult teeth are developing beneath the baby teeth.

Eruption concerns: Identify permanent teeth that may be growing in the wrong direction (ectopic eruption) or are having difficulty erupting.

Jaw development: Look for unusual findings, including cysts or other abnormalities that may require further evaluation.

This is another reason regular dental visits are so important. By monitoring your child’s growth and development, our pediatric dentists can identify potential concerns early, provide reassurance when everything is progressing normally, and recommend treatment only when necessary.

Our goal isn’t to rush your child’s teeth. It’s to make sure their growing smile is developing in the right direction.

An adult tooth is coming in behind a baby tooth. What now?

Don’t worry! This is a common part of dental development, especially with the lower front teeth. Often called “shark teeth,” this happens when a permanent tooth begins erupting behind a baby tooth that hasn’t fallen out yet.

In many cases, the baby tooth gradually loosens and falls out naturally, allowing the permanent tooth to move forward into a better position as your child’s mouth continues to develop.

However, sometimes a little help is needed. Our pediatric dentists may recommend removing the baby tooth if:

Your child is experiencing pain or difficulty eating because of the retained baby tooth.

The baby tooth isn’t becoming loose, and an X-ray shows that its roots have not resorbed (dissolved) as expected.

The permanent tooth is erupting in an unfavourable direction, and the retained baby tooth may be interfering with its normal eruption.

This is why regular dental checkups are so important! At Children’s Dental Health Centre, our pediatric dentists monitor how your child’s baby teeth fall out and permanent teeth develop. By identifying potential concerns early, we can determine when it’s best to allow nature to take its course and when a little intervention may help.

Our goal is to guide your child’s developing smile while avoiding unnecessary treatment.

What should I do if my child knocks out a permanent tooth?

Act quickly! A knocked-out permanent tooth is a dental emergency, and the first 30–60 minutes can make a big difference in saving the tooth.

If your child knocks out a permanent tooth:

Find the tooth and hold it by the crown (the white part), never the root. Touching the root can damage the delicate cells needed for successful healing.

If the tooth is dirty, gently rinse it with milk or saline. Do not scrub, scrape, or use soap.

If possible, carefully place the permanent tooth back into its socket immediately, ensuring it is facing the correct direction. Have your child gently bite on a clean cloth to help hold it in place. Only attempt this if your child is alert, cooperative, and able to do so safely.

If you cannot reinsert the tooth, keep it moist in milk or a tooth-preservation solution. Avoid storing it in plain water or allowing it to dry out.

Seek emergency dental care immediately. Contact Children’s Dental Health Centre as soon as possible. The sooner treatment begins, the better the chance of saving the tooth.

Important: Never put a knocked-out baby tooth back into its socket. Reimplanting a baby tooth can damage the developing permanent tooth underneath. It can also cause complications, including infection or the baby tooth fusing to the surrounding bone (ankylosis), potentially interfering with the eruption of the permanent tooth.

If you’re unsure whether the knocked-out tooth is a baby tooth or a permanent tooth, do not attempt to reinsert it. Keep it moist in milk and seek immediate dental advice.

Remember: Permanent teeth may be saved with prompt treatment. Baby teeth should never be replanted.

Does my child still need to come every six months?

For most children, yes. More is changing at this stage than at any other, so the visits are doing more than checking for cavities: we are tracking how teeth are being lost, how the adult ones are arriving, how the bite is developing and whether the sealants are still intact. Some children are seen every three months because of higher decay risk or a medical reason.

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