It’s Not Too Late to Choose Orthodontic Treatment Without Jaw Surgery for an Underbite (Adult Non-Surgical Underbite)

For adults, if you want to correct an underbite without surgery

It’s Not Too Late to Choose

Adult non-surgical underbite

An underbite refers to a condition in which the lower jaw appears to protrude forward more than the upper jaw.

In childhood and adolescence,

it can be approached relatively easily

through growth control,

but after becoming an adult,

the jawbone growth is already complete,

so treatment often becomes more complicated.

That is why many people think that adult underbite

absolutely requires surgery.

Of course, in cases where the skeletal protrusion is very severe,

surgery may be the clearest treatment option.

However, not all adult underbites

must be resolved with surgery.

Depending on the results of an accurate diagnosis,

there are cases where orthodontic appliances alone can sufficiently improve the condition,

and in such cases, non-surgical underbite treatment

can lead to results that consider both function and aesthetics.

In other words, what matters is not age,

but how the current skeletal condition, dental alignment, and occlusal structure

are analyzed.

Causes and Types of Adult Underbite

An adult underbite, like an underbite in children,

cannot simply be judged by appearance alone,

such as “the jaw sticks out.”

That is because the treatment direction differs depending on

what caused the crossbite to form.

Therefore, adult underbite

must first be classified by type through a precise diagnosis.

Crossbite due to maxillary undergrowth

This is a case where the upper jaw has not grown sufficiently,

so the lower jaw appears relatively more protruded.

In such cases, an approach may be possible that uses maxillary expansion devices,

securing width and space in the upper jaw

while restoring balance.

Depending on the situation, this is a type in which the possibility of non-surgical underbite treatment

can be considered.

Crossbite due to mandibular overgrowth

This is a case where the lower jaw has actually grown excessively.

Because the skeletal cause is clear,

surgical treatment is often recommended in principle.

However, when the degree of protrusion,

bite condition,

and facial harmony are considered comprehensively,

some cases may still show the possibility of improvement

through an orthodontic approach using mini-screws.

Upper and lower dental imbalance

At first glance, it may look like an underbite,

but in reality, the crossbite appears more pronounced due to problems with tooth arrangement and how the teeth interlock,

rather than a severe issue with the jawbone itself.

In this case, relatively good improvement can be expected

with adult crossbite orthodontic treatment alone,

and the non-surgical approach to underbite correction

falls into a more realistic category.

How Adult Underbite Orthodontic Treatment Proceeds

When non-surgical underbite treatment is possible,

the treatment is carried out by using orthodontic appliances

to guide the lower jaw into a more harmonious position.

In particular, to reduce the feeling that the lower jaw

stretches strongly forward,

an orthodontic approach that rotates the mandible clockwise

may be used.

This process does not actually reduce the jawbone itself,

but instead adjusts the position of the teeth and bite

to make facial balance and occlusion

more stable.

In other words, it can be seen as a treatment that reduces the outward protruding appearance

while also considering chewing function and bite stability.

However, this method is limited to cases where the conditions for application are appropriate.

If the jaw length is excessively long,

or if the skeletal imbalance is very large,

non-surgical underbite treatment alone may have limitations,

and surgical treatment may be more appropriate.

On the other hand, if the range of skeletal problems is relatively limited

and there is enough room for improvement through tooth alignment adjustments,

an adult underbite can also be treated without surgery

through a non-surgical treatment plan.

Order of Adult Underbite Orthodontic Treatment

The orthodontic plan for an adult underbite

is designed differently depending on the individual’s skeletal structure

and dental condition.

In particular, most adult crossbites present as a forward protrusion of the lower jaw,

so guiding it backward

or securing space for harmonious adjustment

becomes an important starting point in treatment.

If the teeth are large

or there is severe lack of space in the dental arch,

extraction orthodontic treatment may be necessary.

Conversely, if the lack of space is not severe,

a small amount of interproximal reduction between the teeth can secure the necessary space.

In general, highly precise adjustments of around 0.25 mm

are used to create room for alignment and movement.

Also, when the upper jaw is narrow,

an upper jaw expansion device may be used to widen it

and lay the foundation for more stable bite formation.

In this way, underbite correction

is not simply about aligning the teeth neatly,

but can be described as a precise treatment process that guides the lower jaw position

while considering the overall bite structure and facial balance.

Adult Underbite Orthodontic Treatment Review

Many people worry that once they become adults,

it may already be too late,

but in reality, that is not always the case.

If treatment is carried out based on accurate analysis and planning,

even adults can 충분히 expect differences before and after underbite correction.

Especially in cases where non-surgical underbite correction is possible,

as the position of the lower jaw and the bite improve,

many people notice changes in both the front and side profile.

Before treatment, an impression that felt strong

or sharp may, after treatment,

change into a softer and more stable impression,

and not only external appearance but also chewing function, speech,

and bite comfort may show positive changes.

However, not all adult underbites

produce the same results.

Therefore, before treatment, it is essential to have a sufficient consultation with a specialist

and accurately determine whether the current condition is suitable for non-surgical underbite treatment

or whether a surgical approach would be more appropriate.

The Center of Non-Surgical Underbite Care: Choosing the Right Clinic

Treatment for adult underbite

is more difficult than child orthodontics,

and case-by-case judgment is much more important.

Because growth has already been completed,

if the treatment plan is not precise,

it may be difficult to achieve the desired results.

In particular, treatment for adult underbite and adult crossbite

depends greatly on how accurately the scope of the skeletal problem is diagnosed,

how well the boundary between surgery and non-surgery can be determined,

and whether a plan that considers both function and aesthetics can be established.

Gangnam Saero Dental Clinic

directly provides treatment based on experience as the primary orthodontic doctor for celebrities,

publication of the only non-extraction orthodontic paper in Korea,

a paper published in the American Journal of Clinical Orthodontics,

and service as a Trinity advisory committee member,

among other experience and expertise in the field of orthodontics.

Even if two cases look like the same underbite,

the actual cause and the possible range of orthodontic correction are all different,

so it is important to choose a clinic that does not judge based only on appearance,

but instead performs a precise analysis.

In that sense, non-surgical underbite correction

is a treatment that should be started together with more experienced medical staff.

Starting treatment at a young age

is certainly the ideal option.

But that does not mean there are no options at all once you become an adult.

Rather, if you identify the conditions under which non-surgical underbite treatment is possible

through an accurate diagnosis,

and establish a plan that matches those conditions,

you can still expect satisfying results.

The important thing is not to give up simply because it feels too late,

but to first check what type of adult underbite you have now.

There are cases that require surgery,

but there are also clearly cases that can improve with orthodontic treatment alone!

If you are curious about adult underbite,

and non-surgical underbite treatment,

it is a good idea to start with an accurate consultation now.

A new smile and a new start,

are possible at Gangnam Saero Dental Clinic.

• This post is a medical-information post provided by a medical institution due to a third-party contractual relationship.