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There are many malocclusion types and malocclusion classes we can help you fix, from mild underbites to severe overbites.


There are many malocclusion types and malocclusion classes we can help you fix, from mild underbites to severe overbites.
Imperfect positioning of your teeth is the basis for defining malocclusion, whether it's malocclusion type two or malocclusion type one. We pride ourselves on providing patients with their desired transformation, in even the most complex cases.
There are several ways to classify malocclusion, and over time, some orthodontists have developed additional systems and their own grading methods.




When your upper front teeth overlap your lower front teeth while your mouth is closed, that is considered normal to a certain extent. A slight overlap is perfectly normal and nothing to worry about. However, a pronounced overbite can cause problems, such as biting your gums with your front teeth or biting the roof of your mouth with your lower front teeth.

Crowding means there isn’t enough space in the jaw for your teeth to align properly. As a result, teeth can become crooked, overlap, or twist. Crowding can make it difficult to maintain good oral hygiene and clean between the teeth, making it one of the most common reasons adults seek orthodontic treatment.

An underbite occurs when your lower front teeth are positioned much farther forward than your upper front teeth, so that your lower teeth overlap your upper teeth when you bite down.

When your upper front teeth overlap your lower front teeth while your mouth is closed, that is considered normal to a certain extent. A slight overlap is perfectly normal and nothing to worry about. However, a pronounced overbite can cause problems, such as biting your gums with your front teeth or biting the roof of your mouth with your lower front teeth.

Crowding means there isn’t enough space in the jaw for your teeth to align properly. As a result, teeth can become crooked, overlap, or twist. Crowding can make it difficult to maintain good oral hygiene and clean between the teeth, making it one of the most common reasons adults seek orthodontic treatment.

An underbite occurs when your lower front teeth are positioned much farther forward than your upper front teeth, so that your lower teeth overlap your upper teeth when you bite down.
Symptoms can range from nonexistent to severe, depending on the type and severity. Common symptoms include: crooked teeth, difficulty breathing through the mouth, speech problems, difficulty chewing or biting, tongue and cheek biting, cosmetic concerns, both related to your smile and facial features.

Mild to moderate cases of crowded teeth

This is when the upper front teeth, sit behind the lower front teeth

Can reduce crowding in combination with intervention

Mild to moderate cases of crowded teeth

This is when the upper front teeth, sit behind the lower front teeth

Can reduce crowding in combination with intervention
Left untreated, your malocclusion can cause several problems, ranging from chronic TMJ, or jaw pain, speech impediments and functional problems with chewing.

Mild to moderate cases can be effectively treated with clear aligners, sometimes called invisible braces, such as those from Impress. Aligners gradually move your teeth by applying gentle pressure.

You're probably familiar with traditional braces, made of metal wires and brackets attached to your teeth. While traditional braces can address severe malocclusion, the treatment process is often slow. The wires are tightened over time to align the teeth.

Spacers are used to create space between teeth, usually between the molars, when there isn't enough room for the metal bands of the braces to fit around them.

Mild to moderate cases can be effectively treated with clear aligners, sometimes called invisible braces, such as those from Impress. Aligners gradually move your teeth by applying gentle pressure.

You're probably familiar with traditional braces, made of metal wires and brackets attached to your teeth. While traditional braces can address severe malocclusion, the treatment process is often slow. The wires are tightened over time to align the teeth.

Spacers are used to create space between teeth, usually between the molars, when there isn't enough room for the metal bands of the braces to fit around them.

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Very impressed with the service
Very impressed with the service. The team are very professional, also the app is really good and clear, keeping you up to date and engaged with your progress. I like how you can compare your week 1 images to current images to see the progress and changes that have been made. Would definitely recommend to others. Oussama was very helpful. They gave me a courtesy call to check how I am finding things and asked me if there's anything else I need help with.
Jamel, UK
August 2025
Impress has been very helpful
Impress has been very helpful in my journey so far. They’ve been communicative and understanding of my wants and needs. The retainers I’ve received fit perfectly in my mouth.
Sumaya
August 2025
Fair price point
The process explanation, the customer service and care, as well as the frequent check-ups, have been of a very high standard with no hiccups or reasons for concern.
Obi
August 2025
Great service and care
I have been very pleased with Impress; they've always been available for any issue during the treatment, and I have been very happy with the result of my teeth. I will definitely recommend them.
Danilo
October 2024
Impress review
I am about halfway through my treatment and happy with the results so far. Impress was the only service that offered a free consultation with a dentist before entering into a contract (that I could find). I was able to ask lots of questions so that when I decided to go ahead, it was an informed decision. The app and the support helpline have also been helpful. The staff are polite and resolve any queries I have quickly. My experience at Impress was outstanding
Millie. W.
August 2025
Great experience
Staff are friendly, the app is an efficient way of reviewing aligner progress, booking appointments and communicating with the customer care team, who are pretty responsive.
Saheed
August 2025
¹By number of own clinics
*Impress is Europe’s N°1 Invisalign provider, based on total operating clinics and treatments sold.
²Monthly payments of 60 instalments are available for Impress treatment of mild cases. For more details on pricing, please visit the Pricing page.
³Based on a comparison with other Invisalign® providers in (country) for a comparable treatment category. T&Cs apply .
⁴verage duration for mild to moderate malocclusions
⁵T&Cs apply:
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Affordability will be assessed at the time of applying.
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