The benefits of early orthodontic evaluation

An early orthodontic assessment is not the same thing as early orthodontic treatment. The point of seeing someone at seven or eight is mostly to find out whether anything needs doing — and for most children, the answer is not yet.

That distinction matters, because it is the difference between a useful check and being sold braces to a seven-year-old.

When should a child be assessed?

The Australian Society of Orthodontists recommends an orthodontic assessment at around age 8 to 10. By then the first adult molars and incisors have usually come through, which is enough for a practitioner to see how the bite is developing and how much room the remaining adult teeth will have.

Your general dentist monitors this at routine check-ups from a much younger age and will tell you if a referral is worth making earlier.

What is happening in the mouth, roughly by age

Age Usually
6 First adult molars arrive behind the baby teeth — no baby tooth falls out for these
6–8 Front incisors are exchanged. Crowding here often resolves as the jaw grows
8–10 The useful assessment window: enough adult teeth to judge space and bite
10–12 Baby canines and molars are replaced. Space problems become obvious
12–13 Second adult molars arrive. Most comprehensive treatment starts around here
17–21 Wisdom teeth, if they appear at all

Wide variation is normal. A child a year either side of these is not behind.

What an early assessment can actually find

Some problems are genuinely easier to manage while a child is still growing, because the jaws can still be influenced:

Finding these early does not always mean treating them early. Often the recommendation is simply to review in twelve months.

What actually happens at the appointment

Parents sometimes expect a decision and get a plan to watch instead. A first assessment usually involves:

  1. Looking at how the teeth meet — front to back, side to side, and whether the jaw shifts to close
  2. Counting what is present and what is still to come
  3. Radiographs where clinically indicated — commonly an OPG, which shows unerupted teeth, missing teeth and anything sitting in the wrong path. We have an OPG on site
  4. Photographs, and sometimes a digital scan or impressions for records
  5. A conversation, which should cover what was found, whether anything needs doing now, what is likely later, and roughly what that would cost

Nothing is painful and nothing is fitted on the day. It is an information appointment.

Why growth matters

While a child is growing, the position and relationship of the jaws can be influenced by appliances. Once growth is complete, the teeth can still be moved — adults have orthodontic treatment routinely and successfully — but changing the underlying skeletal relationship becomes much harder, and in significant cases may need jaw surgery alongside braces.

This is the real argument for assessing early. It is not that children's bones are soft; it is that a growth spurt is an opportunity that does not come round again.

The appliances used in early treatment

Where early treatment is genuinely indicated, it usually means one targeted appliance rather than a full set of braces.

Appliance What it does Typical duration
Palatal expander Widens a narrow upper jaw, usually for a crossbite 6–12 months including retention
Space maintainer Holds space where a baby molar was lost early Until the adult tooth arrives
Habit appliance Interrupts thumb-sucking or tongue thrusting 6–12 months
Partial (2x4) braces Aligns the front teeth only, for a specific problem 6–12 months
Functional appliance Encourages the lower jaw forward during growth, for significant overjet 9–18 months

Expanders and functional appliances feel strange for the first week or two, affect speech briefly, and increase saliva. That settles. A child who cannot cope with an appliance is a real constraint on the plan, and worth raising honestly before it is fitted rather than after.

Thumb-sucking and dummies

This is the habit that comes up most.

Sucking is normal in babies and toddlers and usually stops by itself. It generally causes no lasting problem if it ends before the adult front teeth arrive, around age five to six. Beyond that, a persistent habit can push the front teeth forward, open a gap between them and narrow the upper arch.

What tends to work: positive reinforcement rather than shame, identifying the triggers (tiredness, screens, boredom), a reward chart, and a plaster or glove at night as a reminder rather than a punishment. Bitter-tasting nail preparations work for some children and backfire for others. If a genuine attempt has failed by about six or seven, a habit appliance is the next step, and it works well.

A dummy is generally easier to stop than a thumb, for the obvious reason that you can remove it.

Being straight about the benefits

The honest case for orthodontics is:

What we would not claim: that mild crowding causes disease, or that straightening teeth prevents decay by itself. It does not — plaque control does. A child with straight teeth who never cleans between them will still get cavities.

Two-phase treatment, honestly

Early ("phase one") treatment for a young child, followed by braces in the teens, is genuinely valuable for particular problems — crossbites, severe overjet, impactions. For routine crowding, the evidence for two phases is weaker: it often means longer overall treatment, more appointments and more cost than simply waiting and doing one course of treatment in the early teens.

If early treatment is recommended for your child, fair questions to ask are: what specifically are we correcting, what happens if we wait, and will a second phase still be likely afterwards? A good practitioner will welcome all three.

Other questions worth asking

Looking after teeth during treatment

Braces make cleaning harder at exactly the age when cleaning is least reliable. Decalcification — permanent white marks around where the brackets sat — is the common and avoidable disappointment at the end of treatment.

If your child plays contact sport, a custom mouthguard is important, and even more so where front teeth protrude. A boil-and-bite guard does not fit over braces properly. See mouthguards.

Costs and what to expect

Orthodontic treatment is a significant expense, usually paid over the course of treatment. Private health extras cover varies widely and often carries waiting periods and lifetime limits — check your policy before committing. The Child Dental Benefits Schedule does not cover orthodontics, which surprises many families.

Retainers are for life. Teeth move back if they are not retained. Anyone who tells you otherwise is not being straight with you. Budget for replacements — retainers get lost, stood on, and thrown out with lunch wrapping.

Questions we are asked

My child's front teeth came in crooked. Is that a problem? Often not. Newly erupted incisors frequently look crowded and settle as the jaw grows and the canines arrive. It is worth mentioning at the next check-up rather than worrying between visits.

There is a gap between the front teeth. Common and usually temporary — it often closes when the canines come through. A persistent large gap is worth assessing.

An adult tooth came through behind the baby tooth. Usually the baby tooth loosens and falls out shortly after. If it stays firm for several weeks, have it looked at.

Do teeth need to be removed for braces? Sometimes, for severe crowding. Less often than a generation ago. This is a decision for the treating practitioner after records.

Is it too late for me? No. Adults have orthodontic treatment routinely. What changes is that the jaw relationship can no longer be influenced by growth.

How we fit in

Victorian Dental Group is a general dental practice in Malvern East and holds no specialist registration. We monitor your child's dental development at their check-ups, take the radiographs where they are indicated, raise anything we see, and refer to a registered orthodontist when specialist assessment is warranted. We do not provide orthodontic treatment ourselves.

Read more about family and children's dentistry or your child's first dental visit.

Victorian Dental Group — 291 Wattletree Road, Malvern East VIC 3145 · (03) 9088 5808 · book online

General information only, not personal dental advice. See our disclaimer.

When should a child be assessed for orthodontic problems?

An assessment in the early mixed dentition — commonly around age seven to eight, once the first permanent molars and front teeth are through — lets the bite and the developing teeth be reviewed. Assessment at that age does not mean treatment at that age. For most children the answer is to monitor and reassess.

What does an assessment look at?

How the teeth meet, crowding and spacing, the position of teeth still under the gum, whether any are missing or extra, the relationship of the upper and lower jaws, and habits such as thumb sucking or mouth breathing. X-rays show teeth that have not yet erupted, which is why problems can sometimes be identified before they are visible.

Does earlier treatment mean faster or better results?

Not as a rule, and it is worth being clear about that. For most children, waiting until the permanent teeth are through and treating once is simpler and no worse. Starting early can mean two phases of treatment, which is often longer overall and costs more. Early treatment is genuinely useful for particular problems — not as a general policy.

When is early treatment genuinely worthwhile?

Where waiting makes the problem harder to fix or risks harm: a crossbite causing the jaw to shift; severely protruding upper front teeth, which are much more likely to be injured; significant crowding where guiding the eruption helps; an underbite; teeth failing to erupt or erupting in the wrong place; and persistent thumb sucking or a tongue habit affecting the bite. These are specific indications, and an orthodontist decides.

Why does growth matter in orthodontics?

Because while a child is still growing, the way the upper and lower jaws relate to each other can be influenced — an expander, for instance, can widen the upper jaw before the mid-palatal suture fuses. That window is about growth, not about bone being soft; children's bones are fully mineralised. Once growth is complete, jaw relationships can usually only be changed surgically, which is why some problems are better addressed during childhood.

Is orthodontics only about appearance?

No. A bite that meets properly is easier to clean, distributes chewing load more evenly, and reduces wear and trauma to individual teeth. Crowded and overlapping teeth are harder to brush and floss, which raises the risk of decay and gum disease. Appearance matters to many people too, and that is a legitimate reason — but it is not the only one, and no treatment should be sold on the promise of how a child will feel.

Does Victorian Dental Group provide orthodontic treatment?

No. We are a general dental practice and holds no specialist registration. An orthodontist is a registered specialist, and orthodontic assessment and treatment are referred. At routine check-ups a child's bite and developing teeth are reviewed, and you will be told if and when a referral is worth making — including when the honest answer is to wait.

What does it cost, and is it covered?

Orthodontic treatment is not covered by the Child Dental Benefits Schedule, which excludes orthodontics outright. Private health extras usually have a separate orthodontic limit and often a lifetime cap, with waiting periods that can run to a few years — worth checking well before treatment is needed. The orthodontist provides the quote. Victorian Dental Group, 291 Wattletree Road, Malvern East VIC 3145 — (03) 9088 5808, Monday to Friday 8:00am to 5:00pm.

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