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Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse?

Seoul Bardi Dental Clinic · ✅ 강동구 상일동역 서울바르디치과 · July 16, 2025

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? ​ ​ Hello, I’m Lee Juri, Chief Director of Seoul Bardi Dental Cli...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: Seoul Bardi Dental Clinic

Original post date: July 16, 2025

Translated at: April 20, 2026 at 3:40 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Hello,

I’m Lee Juri, Chief Director of Seoul Bardi Dental Clinic.

Many adults start orthodontic treatment

after entering social life,

often when they begin earning a salary as office workers.

It becomes more noticeable over time.

Because of dating, work life, and other social activities,

they have lived this way until now,

but there are surprisingly many people who worry about malocclusion.

Before it gets any later,

there are many patients who visit us hoping to live a different life from now on.

Today, I’d like to talk about a case of partial crossbite.

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? image 1

<Table of Contents>

Partial crossbite
2. What is the treatment method?

The upper teeth are tucked in, and the lower teeth are protruding

The patient who visited the Godeok Station orthodontic clinic had a very clear need.

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? image 2

250307 The area where the upper and lower front teeth are reversed

They asked us to make the inward and outward positions of the teeth match evenly.

They asked us to “resolve” the part where the front teeth bite in reverse.

They said the lower front teeth were positioned forward, making the teeth look protruded.

For the second request, they asked us to fix the gap between the lower front teeth at the same time while correcting it.

What is a partial crossbite case? The detailed analysis showed the following problem.

#21 (the left upper front tooth) bites inward relative to the lower teeth,

creating an anterior crossbite state.

The lower front teeth (#31, #41) had spaces between them

and were positioned forward.

Simply put, the upper and lower teeth bite in reverse...

Only some teeth are biting in the opposite way.

This is called a partial crossbite.

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? image 3

250714 Another partial crossbite case

There are different types of malocclusion.

A crossbite corresponds to a Class III malocclusion.

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? image 4

It’s easiest to think of a protruding lower jaw.

People with a protruding lower jaw have a lower jaw that sticks out more than the upper jaw, right?

The impression can look somewhat strong,

and as a result the teeth bite in reverse.

When smiling, the upper teeth are not visible

(the lower teeth are seen first).

This is not aesthetically ideal,

and if left alone, the front teeth may not function properly.

It can also lead to an imbalanced bite and even jaw joint problems.

What is the treatment method??

When the upper and lower teeth bite in reverse?

  1. Adult malocclusion
  2. Crossbite in growing adolescents

The age is checked first.

We need to first determine whether jaw growth can be guided according to the growth rate.

In adults with malocclusion, jaw growth has already been completed,

so we determine:

  1. Is it a skeletal problem?
  2. Is it a tooth alignment problem?

If it is a problem with the skeleton or the jawbone itself,

orthognathic surgery such as double jaw surgery

must be combined with orthodontic treatment.

However, when it is caused by tooth alignment issues,

it can be improved with orthodontic treatment alone.

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? image 5

250307

Even if the front teeth are partially in crossbite,

the molar bite may still be normal.

In such cases, the lower jaw may be slightly developed,

so there is a possibility that it could worsen into a crossbite.

The bite is normal,

but the alignment is maloccluded.

It can be confusing, right?

Orthodontics involves the bite,

and harmony with the facial profile.

There are so many things to consider. ^^

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? image 6

250721

Fortunately, the bite was normal,

so in this case, treatment is completed by improving the front tooth alignment.

The treatment period is also relatively short,

taking about one year.

The lower front teeth are moved backward,

while the upper teeth that were tucked inward are brought forward,

which will straighten the overall alignment.

When the reverse bite crossbite is resolved,

the tense expression when smiling is improved.

The spaced lower front teeth will also have the gaps closed,

restoring aesthetics as well.

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse? image 7

250721 Godeok Station Orthodontic Clinic

In cases like this malocclusion,

treatment is carried out after considering many factors.

Even just having straight teeth

makes the impression much softer.

If the upper and lower alignment improve,

you’ll also be able to bite through food with your front teeth.

Adult malocclusion

depends on the patient’s own will.

During adolescence, it is influenced by parents’ decisions,

but as an adult, you can decide for yourself.

That means things can still change

starting now.

The patient’s bright smile

and confidence

I will always cheer you on.

Thank you!

Godeok Station Orthodontic Clinic: Adult Malocclusion — What to Do When the Upper and Lower Teeth Bite in Reverse?

#GodeokStationOrthodonticClinic #AdultMalocclusion

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