Muscle Relaxing Injections: Masseter Muscle Treatment

What is the Masseter Muscle?

The masseter is one of the major muscles involved in the process of chewing. It is located on each side of the face, connecting the lower jaw (mandible) to the cheekbone (zygomatic arch). The masseter muscle plays a crucial role in closing the jaw, helping us to bite and chew food.

However, in some individuals, the masseter muscle can become enlarged or overly tense, leading to various issues such as:

Teeth grinding (bruxism)
Jaw clenching
Temporomandibular joint (TMJ) disorders
A square or bulky jawline (cosmetic concern)

What are neurotoxin injections for Masseter Treatment?

We use a neurotoxin that temporarily relaxes the muscle by blocking nerve signals. When injected into the masseter muscle, this reduces its contractile force. This provides both therapeutic and aesthetic benefits, such as:

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Reducing muscle tension and jaw pain

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Alleviating symptoms of teeth grinding or jaw clenching

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Slimming and contouring the jawline for a softer, more feminine appearance

How Does injection neurotoxin Work for the Masseter Muscle?

The medicine works by temporarily blocking the nerve signals that cause the masseter muscle to contract. With less intense muscle activity, the masseter muscle gradually becomes smaller and more relaxed. For cosmetic purposes, this results in a slimmer, more contoured jawline. For medical purposes, it can relieve the discomfort and damage caused by teeth grinding, TMJ issues, and jaw tension.

Benefits of injections for Masseter Muscle Treatment

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Pain Relief:

Can provide relief from jaw pain, headaches, and earaches caused by teeth grinding or jaw clenching.

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Teeth Grinding (Bruxism):

Helps reduce the frequency and intensity of teeth grinding, especially during sleep.

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TMJ Disorder Relief:

Injections can alleviate discomfort associated with temporomandibular joint (TMJ) dysfunction by relaxing the muscles around the jaw.

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Jawline Slimming:

This helps soften a square jawline, creating a more contoured, oval-shaped face.

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Non-Surgical:

This treatment is a non-invasive, non-surgical option for those seeking relief from jaw issues or a more defined facial appearance.

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Quick Recovery:

The procedure typically requires minimal downtime, allowing patients to return to their daily activities shortly after treatment.

Who Can Benefit from injections for Masseter Treatment?

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Teeth grinding or jaw clenching, especially during sleep

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TMJ pain, discomfort, or clicking sounds when chewing

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Headaches or earaches related to jaw tension

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A bulky or square jawline that they wish to slim or reshape

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Muscle hypertrophy in the masseter muscles (enlarged jaw muscles due to overuse or genetics)

What to Expect During the Treatment

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Consultation

You’ll begin with a consultation to assess your specific needs, whether for medical relief or cosmetic enhancement.

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Treatment

The neurotoxin is injected into the masseter muscles using a fine needle. The procedure typically takes 10-20 minutes and involves several small injections on both sides of the jaw. The injections are relatively quick and usually well-tolerated.

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Post-Treatment Care

There is little to no downtime after the procedure. You may experience mild swelling, redness, or tenderness at the injection sites, but these symptoms should subside within a few hours to a day. It is advised to avoid massaging the treated area for a few hours after treatment.

FAQs

How Long Do the Results Last?

The effects of this masseter treatment typically last between 3 and 6 months. Over time, as the medicine wears off, the muscle will gradually regain its strength and size. To maintain the results, follow-up treatments are generally recommended.

Are There Any Side Effects?

This neurotoxin is generally considered safe, but there may be some mild side effects:

Slight swelling or bruising at the injection site
Mild discomfort or tenderness in the jaw muscles
Temporary weakness in the masseter muscle (which may make chewing feel slightly different)

Serious side effects are rare but can include issues like difficulty chewing or speaking if the medicine spreads beyond the treated area. This is why it’s crucial to have injections administered by a qualified, experienced healthcare provider.

Why Choose Injections for Masseter Treatment?

Non-Surgical: it is a non-invasive alternative to surgery or other treatments, providing relief or aesthetic improvements without the need for recovery time.
Quick and Effective: The procedure is fast, with results visible within a few days to two weeks.
Minimal Downtime: Most people can return to their normal activities immediately after the treatment.
Customizable: Neurotoxin injections can be tailored to meet your individual needs, whether for medical relief or cosmetic goals.

Is this treatment Masseter Treatment Right for You?

If you experience jaw pain, teeth grinding, or a square jawline, Neurotoxin injections into the masseter muscle may be a practical solution.

Your Clinician

Emma Elaine Condon- Clinical Specialist Practitioner BSc, MSc.

MSc Advanced Neuromusculoskeletal Physiotherapy (Hons)
BSc Physiotherapy MSCP (Hons)
PGCert Independent Medical Prescriber
PGCert Soft Tissue and Joint Injection Therapist
PGCert Diagnostic Ultrasound