How Do Braces Fix Underbites and What to Expect

Braces for underbite

How Do Braces Fix Underbites and What to Expect

How Do Braces Fix Underbites and What to Expect 1080 720 nk

Braces for an underbite may be an option for some patients at NK Orthodontist in Brisbane. If your lower teeth sit in front of your upper teeth when you bite down, you may have what is clinically called a Class III malocclusion, and treatment options can often be considered after a specialist assessment.

Key Takeaways

  • Mild to moderate underbites caused by tooth position may respond well to braces combined with elastics.
  • Skeletal underbites in growing children may benefit from growth-guided appliances alongside braces.
  • Severe skeletal underbites in adults may require a combination of orthodontic treatment and jaw surgery.
  • Clear aligners such as Spark or Invisalign may be suitable for some mild to moderate cases.
  • A specialist orthodontic assessment is the only reliable way to determine which approach suits your situation.

Underbites can range from mild tooth-position concerns to more complex jaw growth patterns. Orthodontics Australia explains that an underbite can involve the lower teeth sitting in front of the upper teeth and may be influenced by jaw development, tooth position, or both. The key is understanding what is driving the underbite: the teeth, the jaw, or a combination of both.

I’m Dr Nick, a Specialist Orthodontist with over 30 years of clinical experience and founder of NK Orthodontist, where I have personally treated more than 11,500 patients, including many presenting for braces for underbite correction across our Chermside location. In this guide, I’ll walk you through how underbites are assessed and what modern orthodontic options may be suitable for your situation.

I am Dr Nick, a Specialist Orthodontist with over three decades of clinical experience. I founded NK Orthodontist to provide dedicated orthodontic care to the Brisbane community. Over my career, I have personally treated thousands of patients, helping them work toward improved oral health and functional bite alignment through tailored treatment plans.

Understanding Class III Malocclusion and Its Causes

An underbite is clinically referred to as a Class III malocclusion. This term describes a specific jaw relationship where the lower dental arch sits forward relative to the upper dental arch.

To understand this condition, we must look at the underlying skeletal and dental structures. You can read more about this in my detailed article, What is a Class III Bite Anyway?.

Genetics play a major role in how our jaws and teeth develop. If one or both parents have a prominent lower jaw, there is a higher probability that their children may develop a similar skeletal pattern. Hereditary factors largely determine the size and shape of your jawbones.

During childhood development, the upper and lower jaws grow at different rates. Sometimes, the upper jaw does not grow forward enough, or the lower jaw grows too much. This imbalance creates a skeletal underbite.

In other cases, the jawbones are in a balanced relationship, but the teeth themselves are tipped in a way that creates an underbite. This is known as a dental underbite. Many patients present with a combination of both skeletal and dental factors.

When we perform a clinical assessment at our Chermside practice, we look closely at these structural variations. Identifying whether the underbite is primarily skeletal or dental helps us design the most appropriate treatment plan for you.

How Braces for Underbite Correction Work

Orthodontic braces can be useful tools for managing bite discrepancies. They work by applying continuous, measured pressure to the teeth over an extended period. This pressure helps guide the teeth into a more balanced alignment within the jawbones.

When treating an underbite, we do not just focus on the front teeth. Our primary goal is to address how the upper and lower arches meet. To achieve this, we plan the movement of the teeth in three dimensions.

We often utilise traditional braces to manage the complex movements required for underbite correction. The brackets are bonded to your teeth, and a series of custom-shaped archwires are threaded through them to guide the movement.

Elastics, or orthodontic rubber bands, are common components of underbite treatment. These bands stretch between specific points on your upper and lower braces. They provide controlled force that may help guide the upper teeth forward and the lower teeth backward.

This dual action may help to resolve the front crossbite, allowing the upper teeth to rest slightly in front of the lower teeth when you bite down. Consistent compliance with wearing these elastics supports a stable clinical outcome.

Customising Braces for Underbite Cases in Children

Managing an underbite in a growing child offers unique clinical opportunities. Because a child’s jawbones are still developing, we can use growth-guided approaches to help balance the relationship between the upper and lower jaws.

We often recommend early intervention to address Common Orthodontic Problems and How to Take Action before they become more complex. For children with an underbite, we may use palatal expanders to gently widen the upper jaw. Widening the upper jaw creates more space and may help it grow forward into a more natural position.

This early phase of treatment is most effective during early childhood when the sutures of the upper jaw are still malleable. By guiding jaw growth early, we may reduce the need for more invasive treatments, such as jaw surgery, later in life.

If you live in North Brisbane, you can read our local guide on the Best Age for Dental Braces Chermside to learn more about timing your child’s first assessment.

Adapting Braces for Underbite Correction in Adults

Treating an underbite in adults requires a different clinical approach because the jawbones have finished growing. We cannot guide jaw growth in an adult, meaning our treatment must work within the existing skeletal boundaries.

Adult bone is denser, and the sutures of the jaw are fully fused. This means tooth movement may take slightly longer, and we must carefully monitor the health of the surrounding bone and gum tissues. You can find detailed information on this in our guide, All About Braces for Adults.

For mild to moderate adult underbites, we often utilise a technique called orthodontic camouflage. This process involves moving the teeth to compensate for the underlying skeletal discrepancy. We use braces and elastics to tip the upper teeth slightly forward and the lower teeth slightly backward, which may help create a more balanced bite without changing the position of the jawbones themselves.

In some moderate adult cases, we may discuss the option of extracting specific lower teeth. Removing teeth can create the space needed to pull the remaining lower teeth back, helping to address the underbite.

Comparing Orthodontic Options for Underbite Correction

Modern orthodontics offers several options for treating underbites. At NK Orthodontist, we offer traditional metal braces, clear ceramic braces, Spark clear aligners, and Invisalign.

Each system has its own clinical applications. We help you choose the option that best fits your lifestyle and clinical needs. You can read our detailed advice on From Metal to Invisible: Choosing Your Best Fit for Misaligned Teeth for misaligned teeth.

Feature Traditional Metal Braces Clear Ceramic Braces Spark & Invisalign Clear Aligners
Visibility Highly visible metal brackets Low-visibility tooth-coloured ceramic brackets Nearly invisible clear plastic trays
Bite Correction Method Fixed brackets with archwires and elastics Fixed ceramic brackets with archwires and elastics Removable custom trays with tooth attachments and elastics
Suitability Often suitable for a wide range of cases, including complex skeletal cases Often suitable for a wide range of cases, with a more discreet appearance May be suitable for mild to moderate dental underbites
Clinical Control Allows for highly precise, continuous tooth movement Allows for precise movement with an aesthetic bracket option Relies on patient compliance to wear trays for the prescribed hours

Traditional metal braces remain a reliable option for many complex underbite cases. They provide the clinical control needed to manage difficult tooth movements and jaw relationships.

Clear ceramic braces offer similar clinical capabilities to metal braces but use translucent brackets that blend with your natural tooth colour. This makes them a popular choice for adults and teenagers who want a more discreet treatment option. You can read more about this in our Clear Braces Guide.

Clear aligners, such as Spark and Invisalign, use a series of custom-made, removable plastic trays. These trays are programmed to move your teeth gradually. When combined with elastics and small tooth-coloured attachments, clear aligners may be effective for treating mild to moderate underbites.

When Orthodontics Alone May Suffice vs. Surgical Needs

Determining whether an underbite can be treated with orthodontics alone or if it requires surgical intervention depends on the severity of the skeletal discrepancy.

A dental underbite, where the jawbones are well-aligned but the teeth are tipped, is often manageable with braces or clear aligners alone.

Mild to moderate skeletal underbites can also frequently be treated without surgery, especially in growing children. In adults, we can often achieve a functional and balanced bite using orthodontic camouflage techniques.

Severe skeletal underbites, where the lower jaw is significantly larger than the upper jaw, may require orthognathic surgery combined with orthodontic treatment. This combined approach is typically discussed when orthodontic movement alone cannot achieve a stable, functional relationship between the upper and lower teeth.

During your initial consultation, we use digital modelling for clinical planning to evaluate your jaw relationship. If jaw surgery is indicated, we work closely with experienced oral and maxillofacial surgeons in Brisbane to coordinate your care.

The orthodontic phase prepares your teeth for the surgical alignment, and post-surgical orthodontics fine-tunes your bite.

What to Expect During Your Orthodontic Treatment

Your orthodontic treatment is a gradual process that requires careful planning and regular monitoring. While the exact duration varies based on the complexity of your bite, most comprehensive underbite cases are managed over a period of several months to a few years. You can read more about what influences these timelines in our guide, How Long Do Braces Take?.

During active treatment, you will visit our Chermside practice periodically for adjustments. If you have braces, we will change your archwires and adjust your elastics. If you are using clear aligners, we will monitor your progress and provide your next sets of trays.

Maintaining excellent oral hygiene is essential throughout your treatment. Food particles can easily become trapped around brackets and wires, increasing the risk of plaque build-up. We provide comprehensive guidance on Caring for Your Braces to keep your teeth and gums healthy.

Once your active treatment is complete, we enter the retention phase. This is a vital step to help maintain the new position of your teeth.

Teeth have a natural tendency to drift back toward their original positions, especially after correcting complex bite relationships. We custom-design in-house clear plastic retainers or fixed wire retainers for every patient to support the long-term stability of your bite.

Planning Your Underbite Treatment

At NK Orthodontist, we understand that choosing orthodontic treatment is a significant decision for your family. As a specialist orthodontic practice operating in Chermside, we have served the Brisbane community for over 30 years.

When you choose our practice, you can feel confident knowing that Dr Nick personally sees every patient at every appointment.

We are committed to making high-quality orthodontic care accessible and stress-free. We offer transparent pricing with no hidden fees, alongside flexible interest-free payment plans to suit your family’s budget. With over 565 five-star Google reviews across our locations, we are proud of the reputation we have built for service and clinical care.

If you or your child are experiencing an underbite, the most reliable first step is to seek a professional assessment. I invite you to Book a Consultation at our Chermside clinic today. Together, we can discuss the orthodontic options that may be suitable for your needs and help you plan your path forward.

Frequently Asked Questions

Can braces alone fix an underbite?

Yes, braces can often address mild to moderate underbites where the variation is primarily dental. For these cases, I utilise braces combined with elastics to help guide the teeth into a more balanced relationship. If the underbite has a severe skeletal component, a combination of orthodontics and jaw surgery may be discussed as a more suitable option.

What is the best age to seek an underbite evaluation?

It is generally recommended to have an initial clinical evaluation during early childhood, around the time the first permanent teeth emerge. Assessing jaw relationship early allows us to monitor growth patterns and identify the most effective window for growth-guided approaches. This proactive monitoring may help simplify future orthodontic care as the jaw develops.

How long does underbite treatment with braces typically take?

The duration of orthodontic treatment varies significantly depending on the complexity of the bite and individual compliance. Most comprehensive cases are managed over a period of several months to a few years to achieve stable alignment. During your initial consultation, I will provide a personalised timeline based on your specific clinical needs.

Can clear aligners be used instead of braces for underbite correction?

Yes, clear aligners such as Spark or Invisalign may be suitable for managing mild to moderate dental underbites. These systems utilise clear plastic trays and small attachments on the teeth to facilitate gradual movement. For highly complex skeletal discrepancies, traditional braces are often preferred to allow for specific clinical mechanics.

Will an underbite get worse if left untreated?

An underbite may become more pronounced during adolescent growth spurts as the lower jaw continues to develop. In adults, the skeletal relationship typically remains stable, but untreated misalignment can lead to uneven wear on the tooth surfaces over time. Seeking a professional assessment helps determine if monitoring or active care is appropriate.

Is jaw surgery always required for adult underbite correction?

No, jaw surgery is not always necessary for adults experiencing an underbite. Many adults can achieve a more balanced bite through orthodontic camouflage, which uses braces or clear aligners to adjust tooth positioning. Surgery is typically reserved for severe skeletal discrepancies where orthodontic movement alone cannot achieve a functional relationship.

Do I need to wear a retainer after my underbite is corrected?

Yes, wearing a retainer is a vital phase of your orthodontic care to maintain the new position of your teeth. Teeth have a natural tendency to drift back toward their original positions, especially after correcting complex bite relationships. I custom-design retainers for every patient to help support long-term stability.