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How Can an Underbite Be Treated Without Surgery? (Underbite Correction)

Gangnam Saero Dental Clinic · 강남새로치과 공식블로그 · June 9, 2025

Underbite non-surgical Crossbite non-surgical Underbite correction Now, appearance is no longer the only important factor, but in the case of malocclusion, it reduces not only aest...

AI translation notice

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: Gangnam Saero Dental Clinic

Original post date: June 9, 2025

Translated at: April 20, 2026 at 4:00 PM

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

How Can an Underbite Be Treated Without Surgery? (Underbite Correction) image 1

Underbite non-surgical

Crossbite non-surgical

Underbite correction

Now, appearance is no longer the only important factor,

but in the case of malocclusion,

it reduces not only aesthetics but also function,

so even for treatment purposes,

it is an area that needs improvement.

If the lower jaw protrudes beyond the upper jaw,

a crossbite underbite,

were you looking for a non-surgical option other than double jaw surgery?

Causes of crossbite underbite

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A crossbite underbite is a condition that falls under Class III malocclusion,

and the bite appears in a form where the lower teeth cover the upper teeth.

  • Dental cause

A crossbite underbite can also appear due to dental causes.

Because of abnormal relationships between teeth,

without skeletal disharmony,

it is caused by abnormal eruption direction and angle of the teeth.

  • Habit-related cause

A crossbite underbite can also appear due to bad habits.

There may be skeletal disharmony,

and the causes include pushing the jaw forward, pushing the tongue forward, and mouth breathing.

  • Skeletal cause

A crossbite underbite can also appear due to an imbalance in maxillary and mandibular growth.

The skeletal disharmony is genetic,

and the causes include insufficient upper jaw growth or excessive lower jaw growth.

Cases where underbite correction is possible

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To perform crossbite underbite correction at a dental clinic,

the skeletal disharmony must not be severe.

Orthodontic treatment at a dental clinic

is a treatment that corrects the teeth and oral structure,

so it cannot move bones.

Therefore, malocclusion with severe skeletal disharmony

requires double jaw surgery, which can move bones.

Even in cases of severe malocclusion,

even if the skeletal disharmony is not great,

because there may be other causes in addition to the teeth and oral structure,

crossbite underbite correction at a dental clinic may not be possible.

What you should know before crossbite underbite correction at a dental clinic is

that there will be no dramatic facial change.

As the lower teeth that protruded beyond the upper teeth move back in,

there will definitely be a facial change even with dental crossbite underbite correction alone,

but a dramatic facial change like the double jaw surgery performed at a plastic surgery clinic

cannot be expected.

How underbite correction is diagnosed

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Whether non-surgical orthodontic treatment at a dental clinic is possible

is diagnosed through the following four factors:

the relationship between the molars and premolars,

the dental midline,

the occlusal plane,

and the difference in length between the maxilla and mandible.

Hospital for crossbite underbite

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For patients with a crossbite underbite and a poor temporomandibular joint,

3D face scanner RAY FACE makes diagnosis comfortable.

High-spec, low-radiation 3D-CT can be used to finely analyze and identify the cause and degree of the crossbite underbite.

Digital impression acquisition methods that increase the precision of crossbite underbite treatment

Oral scanners Trios and iTero

Gangnam Saero Dental Clinic

helps medical staff make accurate judgments through equipment on the level of a university hospital.

How Can an Underbite Be Treated Without Surgery? (Underbite Correction) image 6

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How Can an Underbite Be Treated Without Surgery? (Underbite Correction) image 8