Reviewed by Dr. J. Travis Thompson, DDS

Reading time: five minutes.

A tight, tense jaw can feel more than uncomfortable—it can limit your ability to open your mouth fully, making it difficult to eat, speak, or yawn.

If you have TMJ disorder (TMJD), this jaw stiffness or “jaw lock” is a common symptom, often stemming from overactive muscles like the masseter that control jaw movements.

When facial muscles become tight or irritated, they can cause pain and restricted movement, making it tough to open your mouth as wide as you would like.

In this blog, we will discuss how masseter Botox can help ease jaw tension and pain caused by TMJ disorder.

Table of Contents

Key Takeaway

If you are struggling with persistent jaw pain or tension, Botox for the masseter muscles offers an effective, non-surgical solution. By relaxing overactive jaw muscles, Botox can significantly reduce pain and improve jaw function.

Understanding TMJ Disorder

TMJD is a condition that affects the temporomandibular joint (TMJ), which connects your jawbone to your skull.

This joint is responsible for all of your jaw movements, such as chewing, speaking, and yawning.

When this joint becomes irritated or inflamed due to various factors like stress, teeth grinding or clenching, it can lead to TMJD.

When this joint is strained or inflamed, you may experience:

  • Jaw pain or tenderness
  • Headaches and facial pain
  • Jaw clenching or grinding (bruxism)
  • Clicking or popping sounds during jaw movement
  • Reduced range of motion in the jaw

Causes of TMJD

It can result from a range of factors, including:

  • Overuse of jaw muscles from clenching or grinding
  • Stress or anxiety, which often leads to jaw clenching
  • Misalignment of teeth or jaw
  • Arthritis affecting the temporomandibular joint
  • Physical injury to the jaw

Masseter Botox for TMJ

Botox, or botulinum toxin type A, is a muscle relaxant commonly used to reduce wrinkles.

For jaw pain or tension, Botox is injected into the masseter muscles, which play a significant role in jaw movement and clenching. By relaxing these muscles, Botox alleviates jaw tension and eases pain. 

How Long Does TMJ Botox Last?

Botox for TMJ typically lasts between 3 to 4 months.

You will likely notice a reduction in jaw pain and muscle tension within a week, with full effects appearing around 2 weeks post-treatment.

Results vary depending on individual needs and symptom severity, so follow-up treatments may be recommended for lasting relief.

The Impact on Jaw Muscles

Injections into the masseter muscles reduce muscle contractions that contribute to clenching, jaw tension, and discomfort. Here is how it helps:

  • Eases muscle spasms and reduces involuntary clenching
  • Improves jaw mobility for normal activities, such as eating and speaking
  • Decreases tension headaches and related jaw pain

Benefits of Masseter Botox for TMJ

Botox offers several advantages:

  • Non-invasive alternative to surgery or physical therapy
  • Quick recovery time with minimal side effects
  • Reduced muscle spasms for a smoother jawline and relaxed facial shape
  • Relief from chronic headaches and jaw pains

In some cases, Botox may even improve facial shape by slimming the masseter area, often resulting in a more symmetrical and balanced look.

When Botox Might Not Be the Best Option

Botox may not be suitable for everyone. It is essential to consult with an experienced provider who can assess your specific needs.

Some cases may still benefit from traditional treatments, such as mouthguards or behavioral therapy, particularly if you suffer from severe bruxism or joint issues.

What to Expect from Masseter Botox Treatment

Botox for TMJ is a simple outpatient procedure with minimal discomfort and downtime. Here is an overview of the process:

  1. Consultation: At your initial visit with one of our oral surgeons, they will conduct a comprehensive evaluation to confirm if Botox is the right solution for you. If it is determined that it will benefit you, an appointment will be made for the administration of Botox.
  2. Procedure: If you have a low pain tolerance, numbing cream may be applied to ensure your comfort. Botox is injected directly into the masseter muscles, with each session typically lasting 10–15 minutes. 
  3. Aftercare: You can resume normal activities immediately, although you may experience mild swelling that subsides within a day or two.

Possible Side Effects of TMJ Botox

Potential side effects are:

  • Mild swelling or bruising at the injection site
  • Temporary muscle weakness in the jaw
  • Minor discomfort following treatment

Most side effects are mild and short-lived, but if you experience prolonged symptoms, contact your healthcare provider.

Who is a Good Candidate for Masseter Botox?

Ideal candidates for Botox treatment for TMJ include individuals who:

  • Experience jaw tension or pain affecting daily activities
  • Have not found relief with mouthguards or physical therapy
  • Are seeking a non-surgical option for TMJD relief
  • Do not have certain underlying medical conditions that may interfere with Botox

At Oral Facial and Implant Specialists, our board-certified oral surgeons specialize in TMJ botox and provide tailored treatment plans to suit your unique needs.

How Many Units of Botox for Masseter TMJ?

The number of units required can vary depending on the severity of your symptoms, the size of your masseter muscles, and your treatment goals.

On average, most people need 60 to 100 units of Botox per side, but this can vary from person to person.

Why Choose OFI for TMJ Botox

Our oral surgeons have extensive training in treating TMJD with Botox and other treatment modalities. 

Dr. J. Travis Thompson, DDS, and Dr. Stephen Martin, DMD, have a deep understanding of facial anatomy, ensuring safe and precise Botox injections. 

If you are tired of living with jaw pain, tension, or frequent headaches, Botox could be your solution for lasting relief.

At Oral Facial and Implant Specialists, we offer personalized, professional care to help you feel better and live pain-free.

To book a consultation at our oral surgeons office in Deer Park, IL, call  (847) 381-0106 or complete the online inquiry form. We are located at 21660 W. Field Parkway, Suite 220, Deer Park, IL. 

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