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Preventing Bruxism and Clenching: Botox and Splint Treatment at Dangsan TMJ Dental Clinic

Yonsei Chorokbit Dental Clinic · 소중한 자연치아를 지키는, 연세초록빛치과 · February 26, 2026

Hello, I am Kim Min-young, a restorative dentistry specialist at Dangsan Dental Clinic. Bruxism and clenching occur unconsciously while sleeping or in daily life, and can lead to w...

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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: Yonsei Chorokbit Dental Clinic

Original post date: February 26, 2026

Translated at: April 20, 2026 at 4:02 AM

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

Hello, I am Kim Min-young, a restorative dentistry specialist at Dangsan Dental Clinic.

Bruxism and clenching

occur unconsciously

while sleeping or in daily life,

and can lead to wear, cracks, prosthetic fracture,

TMJ pain, masticatory muscle hypertrophy, headaches, and more.

Preventing Bruxism and Clenching: Botox and Splint Treatment at Dangsan TMJ Dental Clinic image 1

In particular, when biting force is repeatedly applied,

stress can also accumulate in the jaw, so

the possibility of temporomandibular disorder (TMD)

should also be considered.

Among modern people who are under a lot of stress,

the frequency of occurrence is gradually increasing,

and if it is not managed early,

it can cause other problems, so caution is needed.

Today, at Dangsan Dental Clinic,

I will explain how to manage it non-surgically

using Botox and splint devices.

  1. Problems that occur if bruxism and clenching are left untreated

If excessive biting force continues to be applied,

it places stress on the teeth, jaw, and surrounding muscles.

Preventing Bruxism and Clenching: Botox and Splint Treatment at Dangsan TMJ Dental Clinic image 2

The first change that appears is wear,

with the biting surface gradually becoming flatter or shorter,

and as dentin becomes exposed, you may feel sensitivity.

If the area has already been restored, it can also cause resin or

inlay fracture or detachment,

and cracks can occur, affecting the pulp as well.

Not only the teeth but also the masticatory muscles become excessively tense,

causing muscle hypertrophy and pain,

and if you repeatedly wake up with a stiff jaw in the morning

or headaches around the temples,

it is worth suspecting bruxism.

If this condition continues for a long time,

stress also accumulates in the jaw,

leading to sounds or pain when opening the mouth,

which eventually results in TMD.

Dangsan Dental Clinic Restorative Dentistry Specialist Kim Min-young 2. What is temporomandibular disorder (TMD)?

It is an abbreviation for Temporomandibular Disorder,

and refers to dysfunction in the jaw and the surrounding ligaments, discs, and other structures.

The temporomandibular joint is located in front of the ear and is the area that performs rotational and gliding movements simultaneously when opening and closing the mouth,

and when repeated pressure or force is applied,

the internal balance becomes disrupted.

Preventing Bruxism and Clenching: Botox and Splint Treatment at Dangsan TMJ Dental Clinic image 3

In the early stages, there may be a clicking sound when opening the mouth

or simply a stiff jaw,

but symptoms may gradually appear as restricted opening,

pain, and discomfort while chewing.

In addition, because it can also be accompanied by temple headaches, neck and shoulder pain,

and discomfort around the ears,

early management is necessary.

Dangsan Dental Clinic Restorative Dentistry Specialist Kim Min-young 3. Diagnostic methods

First, through an intraoral examination,

the degree of wear, the presence of cracks,

and prosthetic fractures are checked.

In particular, if the occlusal surface is flattened

or flexural fractures are present,

excessive biting force may be suspected.

Preventing Bruxism and Clenching: Botox and Splint Treatment at Dangsan TMJ Dental Clinic image 4

Next, palpation of the masticatory muscles is performed

to assess tension and tenderness.

Pain or hypertrophic patterns in the masseter and temporalis areas

can be clues to bruxism,

and the range of mouth opening is measured while also checking

whether there is any noise or deviation when opening and closing the mouth.

  • If necessary, please note that X-rays may need to be taken

to check changes in the joint structure.

  1. Botox

One of the main causes of bruxism and clenching is

excessive tension in the masticatory muscles.

When repeated contractions continue,

they place stress on the teeth and jaw.

Botox is a method that temporarily relaxes the strength of excessively active muscles,

and when a small amount is injected into the muscle, nerve transmission

is partially blocked and the contraction strength is reduced.

The effect appears within 1 to 2 weeks and lasts about 3 to 6 months.

Preventing Bruxism and Clenching: Botox and Splint Treatment at Dangsan TMJ Dental Clinic image 5

Although it is a relatively simple procedure, the correct dosage and

proper injection site are important, and it may seem as though only the masseter muscles on both sides of the jaw need to be reduced,

but in reality, the temporalis muscle is often involved as well,

so the areas must be divided and adjusted before injection.

Because the dosage and areas can vary from person to person,

at Dangsan Dental Clinic, I believe that a detailed diagnostic process of the muscle shape, position, thickness,

and direction of movement must come first.

  1. Splint

A splint is a device that protects the teeth during sleep,

and by acting as a cushion between the teeth,

it helps prevent wear and cracks.

It also guides the bite into a stable position,

thereby relieving tension in the masticatory muscles.

Preventing Bruxism and Clenching: Botox and Splint Treatment at Dangsan TMJ Dental Clinic image 6

There are various products on the market, but rather than a ready-made one,

it should be fabricated to match the individual oral structure,

and by analyzing it, the height and contact points should be precisely adjusted

for better results.

To conclude...

In the beginning, the symptoms may be mild,

but if left untreated, they can also affect surrounding tissues,

so

the current symptoms must be assessed accurately,

and treatment should be provided in a way that suits the individual.

I hope the information introduced today at Dangsan Dental Clinic was helpful,

and I will end here.

This has been Kim Min-young, specialist in restorative dentistry.

Thank you.

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