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Your Guide to Botox for Bruxism | APT Injection Training

Oct 08 2026

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Your Guide to Botox for Bruxism | APT Injection Training

A medical professional preparing to inject Botox into a patient’s jaw muscles

May 25, 2023 | Reading time: 3 minutes

Botox for bruxism and teeth grinding — quick overview

Bruxism is teeth grinding or jaw clenching. It often happens during sleep. It can cause jaw pain, headaches, and tooth damage. Botox (botulinum toxin) is sometimes used to lower activity in the jaw muscles. The masseters are the most common target, and the temporalis may also be used. Botox for teeth grinding may help some people with severe symptoms, but it should be assessed and done by a licensed, properly trained clinician.

Key takeaways

Bruxism can happen while you are awake or asleep. It may cause jaw pain, headaches, and tooth wear.
First-line options often include night guards, stress care, sleep support, and dental checks.
Botox for jaw clenching can relax hard-working chewing muscles. The dose and the injection sites are chosen for each person.
Risks exist, including bruising, swelling, chewing weakness, and rare serious side effects.

If stress has been building up, you may clench your jaw or grind your teeth. This can lead to jaw problems and tooth damage if you do not get help.

Botox for bruxism is one of several bruxism treatment options. It may relax target muscles and help ease jaw clenching when stress is high.

What Is Bruxism?

Bruxism is the medical term for teeth grinding or jaw clenching. It can happen when you are awake, but sleep bruxism is more common.

If your symptoms are mild, you may not need treatment right away. A lifestyle change or behavior therapy can help. But if you have sleep bruxism or severe pain, you should get checked.

Frequent jaw clenching and teeth grinding can cause headaches and face pain. They can also lead to tooth damage, earaches, and pain in the TMJ.

a dentist showing a patient x-rays of his teeth

Signs and Symptoms of Bruxism

Regular dental checkups are important. You can also watch for these signs at home:

Sensitive teeth
Locked jaw
Severe teeth grinding
Jaw clenching
Chipped teeth
Worn-down enamel
Neck pain
Sore jaw muscles
Unexplained earaches
Mild to moderate temple headaches
Disturbed sleep

You may want professional help if you have any of these signs.

How Can Botox Treat Bruxism?

Dental devices like splints or mouth guards can protect teeth. But jaw tension and pain may still remain.

Botox for jaw clenching is used to relax overactive muscles that take part in clenching and grinding. Treatment often uses small, clinician-set doses of botulinum toxin in the masseter muscles, and sometimes other muscles. This can lower muscle force and ease pain.

Botulinum toxin is known for cosmetic care. But studies have shown it may help some people with severe bruxism symptoms and TMJ pain. Botox for TMJ pain may also be discussed when jaw joint pain is part of the problem. Your clinician can tell you if this is a good option for you.

Botox Injection Sites for Bruxism

Medical professionals agree that where you inject Botox matters for results and safety.

Common botox injection sites for bruxism include:

Masseter muscles: these are the main chewing muscles. Masseter botox for bruxism may help reduce clenching and grinding strength.
Temporalis muscles: these may be used when temple tightness or headache patterns point to this area. See the temporalis muscle for more details.

Only a licensed, properly trained professional should decide if you are a candidate, choose the injection sites, and use the right technique.

How many units of Botox do doctors use for bruxism and jaw clenching?

The number of units used for bruxism depends on your condition, goals, and clinician review. It also depends on:

Your age
Overall health
How long you have had bruxism
The severity of your symptoms
The amount of tooth and jawbone damage

As a general guide, some sources note that masseter dosing may range from about 25–30 units per muscle, and temporalis dosing about 15–20 units per side. The exact plan depends on the person. See this medical discussion for more detail.

What to Expect After Botox for Bruxism

Onset: Many people notice change over several days. The full effect is often discussed at 1–2 weeks.
Duration: The effects are temporary. Your clinician may discuss when to repeat treatment as symptoms return.
Follow-up: A follow-up visit may help check response, chewing, and symmetry.

Results vary from person to person. Treatment should be planned for your needs.

A dental professional learning how to perform Botox on a live model

Are There Side Effects to Botox for Jaw Clenching?

As with any medical procedure, Botox for bruxism may cause short-term side effects. Common but temporary side effects include:

Swelling or bruising at the injection site
Headache or flu-like symptoms
Fatigue

Other possible effects, based on dose, anatomy, and technique, can include chewing weakness or a change in smile. A rare side effect with masseter treatment is temporary asymmetry around the mouth. This can happen if the injection is not placed well. It usually goes away as the effect fades.

Seek urgent medical care if you have severe or worrying symptoms after any botulinum toxin treatment, such as trouble breathing or swallowing.

Other Bruxism Treatment Options

Night guards or splints help protect teeth and reduce wear.
Dental evaluation checks bite issues, damaged restorations, and TMJ concerns.
Stress and sleep support can include behavior changes, better sleep habits, and trigger care.
Physical therapy or jaw exercises may help when a clinician recommends them.

FAQ: Botox for Bruxism

Does Botox cure bruxism?

Botox does not cure the root causes of bruxism, but it may help lower muscle activity and pain in some people. Your clinician can help you find the causes and build a long-term plan.

How long do results last?

Results are temporary and vary by person. Your clinician will tell you when repeat treatment may be right based on symptom return and function.

Can Botox replace a night guard?

Not always. A night guard can still help protect teeth from wear. Some care plans use both options, based on symptoms and dental findings.

Is Botox for bruxism safe?

When a trained, licensed professional does the treatment with the right patient selection and dose, many people do well. Still, side effects and risks can happen. Talk about your medical history and concerns with your provider.

Who may not be a good candidate?

Only a clinician can decide. Be sure to disclose nerve-muscle conditions, medications, pregnancy/breastfeeding status, and prior reactions to botulinum toxin.

Where is Botox injected for jaw clenching?

Common sites include the masseters and, in some cases, the temporalis muscles. Exact placement depends on anatomy, symptoms, and clinician judgment.

Internationally Recognized Filler and Botox Training for Dentists

Using Botox for jaw clenching may help relieve pain for some patients. This treatment works best when board-certified dentists or licensed professionals with the right training provide it.

APT Injection Training offers Botox and Dermal Injection Training. We provide current courses and professional certifications that meet global standards.

If you are a medical professional who wants to expand your services, get in touch with us today! We will be glad to talk about our programs with you.