Can Clear Aligners Fix an Overbite?

Yes, clear aligners can fix many mild to moderate overbites, usually in about 12 to 24 months, by moving the front teeth and adjusting how the upper and lower jaws meet. A small overbite is normal and healthy. A deep or large one isn’t an emergency, but it can wear down teeth and strain the jaw over time, so get it assessed for clear aligners before the damage builds up.

Most people notice their overbite in photos. The upper front teeth look like they’re covering too much of the lower ones, or the lower teeth seem to disappear when they smile.

For years, fixed metal braces were the default answer. They still work very well, especially for complex cases, but aligner technology has come a long way, and many overbites that once needed brackets can now be treated with clear trays.

At Smart Care Dental, we’re a Certified Invisalign provider, so we plan overbite cases with digital scans and a 3D preview before you commit to anything.

Orthodontics is one part of the full range of dental services we offer families. You can find reviews and directions for our dental clinic in Concord on Google Maps.

What is an overbite?

An overbite is how much your upper front teeth overlap your lower front teeth when you bite together. A small overlap, about 2 to 3 millimetres or roughly 10 to 20 percent of the lower teeth, is normal.

People often use “overbite” for two different things:

• Deep bite (vertical overbite): the upper teeth cover too much of the lower teeth from top to bottom.
• Overjet (horizontal overbite): the upper teeth stick out too far in front of the lower teeth. People often call these “buck teeth.”

Many patients have a bit of both. The type matters, because each one is corrected a little differently.

What causes an overbite?

Dental causes

• Crowding or spacing that tips the front teeth forward
• Missing lower teeth that let the bite collapse
• Worn back teeth that let the front teeth overlap more

Skeletal causes

• A lower jaw that’s smaller or set further back than the upper jaw
• Family traits passed down through jaw size and shape

Childhood habits

• Thumb or finger sucking past about age 5
• Long-term pacifier use
• Tongue thrusting when swallowing

Dental causes are usually easier to fix with aligners. Skeletal causes in adults can be harder, because the jaw has stopped growing.

Does an overbite get worse with age?

It can. As back teeth wear down or are lost, the bite can collapse slightly, which lets the front teeth overlap more. Lower front teeth also tend to crowd as you get older, which can deepen the bite.

So an overbite that seemed minor at 25 may look and feel different at 45. Catching it earlier usually means a simpler plan.

Why should you fix an overbite?

A deep or large overbite is more than a cosmetic issue. Over time, it can lead to:

• Wear on the edges of the lower front teeth
• Lower teeth biting into the gum behind the upper teeth
• Chipped or broken upper front teeth, especially with sports or falls
• Jaw pain, clicking or headaches linked to TMJ strain
• Trouble biting into foods like sandwiches or apples
• Self-consciousness about your smile

How do clear aligners fix an overbite?

Aligners work by applying small, planned forces to each tooth. For an overbite, the plan usually combines several movements.

1. Intruding the front teeth. The lower front teeth (and sometimes the upper ones) are gently pushed further into the bone to reduce the overlap.
2. Extruding the back teeth slightly to open the bite.
3. Retracting flared upper teeth to reduce overjet, often after creating space.
4. Using attachments, small tooth-coloured bumps bonded to certain teeth, to help the aligners grip and steer.
5. Adding elastics between the upper and lower aligners to help shift the bite forward or back.
6. Bite ramps built into the aligners, which help open a deep bite.

For teenagers who are still growing, some aligner systems include features that encourage the lower jaw forward. That’s one reason early assessment can make overbite treatment easier.

Is overbite treatment different for kids and adults?

Yes. Children and young teens are still growing, so treatment can guide the jaws as well as the teeth. That’s why an orthodontic check by about age 7 is recommended, with treatment often starting between 9 and 14.

Adults have finished growing. Treatment focuses on moving teeth to improve the bite, rather than changing jaw size. For most dental overbites, that works well. For large skeletal differences, a combined plan with an oral surgeon may be suggested.

Clear aligners vs braces for an overbite

How long does it take to fix an overbite with aligners?

Most overbite cases take 12 to 24 months. Milder deep bites may be on the shorter end. Cases that involve both a deep bite and a large overjet often take longer.

Wear time is the biggest factor you control. Aligners only move teeth while they’re in your mouth, so 20 to 22 hours a day keeps you on schedule.

What does it feel like day to day?

Each new set of aligners brings 1 to 2 days of pressure. That’s the sign the teeth are moving. Cold water and soft food help.

If you’re wearing elastics, you’ll hook them onto small buttons or cut-outs on the aligners and change them a few times a day. They feel a bit tight at first, then you stop noticing them. Speech can sound slightly different for the first few days, and that passes quickly.

What does treatment look like step by step?

1. Consultation. We look at your bite, jaw and gums and talk about your goals.
2. Records. Digital scan, photos and X-rays.
3. 3D plan. You see a preview of how your teeth and bite are expected to move.
4. Fitting. Attachments are placed and you get your first aligners.
5. Changes at home. You switch to a new aligner set every 1 to 2 weeks.
6. Progress checks. Usually every 6 to 10 weeks.
7. Refinements. Extra aligners to fine-tune the bite, if needed.
8. Retention. Retainers hold the corrected bite long term.

Can aligners fix other bite problems too?

Many of them. Along with overbites, aligners can treat:

• Underbites, where the lower teeth sit in front of the upper teeth, in mild to moderate cases
• Crossbites, where some upper teeth bite inside the lower teeth
• Open bites, where the front teeth don’t meet when you bite down
• Crowding and spacing that often come along with bite problems

Each bite problem uses its own mix of attachments, elastics and staging. Your 3D plan will show which movements are needed and how long they’re likely to take.

How do you keep your teeth healthy during treatment?

1. Brush after meals before putting your aligners back in.
2. Floss daily, since trapped food sits against teeth under the trays.
3. Drink only water while wearing aligners.
4. Clean the aligners morning and night with cool water and a soft brush.
5. Keep up regular check-ups and cleanings.

What are the common myths about overbites and aligners?

• Myth: aligners only fix crooked front teeth. With attachments, elastics and bite ramps, they can correct many bite problems, including overbites.
• Myth: adults are too old to fix an overbite. Adults can correct dental overbites at any age. Severe jaw-based cases may need a combined approach.
• Myth: an overbite is purely cosmetic. Deep bites can wear teeth, damage gums and strain the jaw.
• Myth: orthodontic treatment always hurts. Most people feel pressure for a day or two after each new aligner, which fades quickly.
• Myth: once the bite is fixed, it stays fixed. Retainers are needed to stop teeth drifting back.

How can you protect your results?

• Wear retainers exactly as instructed, usually every night long term
• Bring your retainers to check-ups so we can check the fit
• Wear a night guard if you grind, since grinding can push teeth back
• Replace worn or cracked retainers promptly

Why choose Smart Care Dental for overbite correction?

Smart Care Dental is a trusted dental clinic in Concord and Vaughan offering a complete range of family, cosmetic and restorative dentistry. As a Certified Invisalign provider Concord families rely on, we plan overbite treatment carefully and follow you through every stage.

We welcome new patients and CDCP (Canadian Dental Care Plan) patients. Our extended evening and weekend hours make progress checks easier for busy families and students.

Our dentists are registered with the Royal College of Dental Surgeons of Ontario (RCDSO). We’ll tell you plainly whether aligners suit your bite, or whether braces or a specialist referral would serve you better.

Call +1 905-738-4970 or email info@smartcaredental.ca to book with a cosmetic dentist in Concord, or visit smartcaredental.ca. Many patients tell us we’re the best dental clinic in Concord for clear planning and realistic timelines.

If you’ve been living with a deep bite for years and assumed it was just how your teeth are, a short visit can tell you what’s possible. We’ll show you the scan, explain the options in plain words and let you decide in your own time. It’s the kind of care that has many families calling us their dentist in Concord and the top dentist in Vaughan for orthodontic questions.

Frequently asked questions