Teeth grinding or bruxism is a common condition characterized by involuntary clenching or grinding of the teeth. It can lead to a variety of complications, including jaw pain, headaches, and tooth damage. 

Traditionally, treatment options for bruxism have focused on behavioral modifications and the use of mouthguards. However, recent research has explored the potential of Botox injections as a novel therapeutic approach. 

This blog post will delve into the science behind Botox for teeth grinding, examining its efficacy in alleviating symptoms and exploring potential benefits and drawbacks.

What is Bruxism?

  • Bruxism is a common condition characterized by involuntary teeth grinding and jaw clenching, occurring both during the day and at night. 
  • It can cause various symptoms such as jaw pain, lockjaw, headaches, migraines, earaches, tooth or gum sensitivity, and tooth enamel damage. 
  • The constant clenching of masseter muscles, which connect the cheek and jaw, can cause the jawline to take on a severe square shape. 
  • Despite the prevalence of bruxism, the risk of tooth damage and the pain it causes are compelling reasons to seek treatment options.

What Causes Bruxism?

The cause of teeth grinding is almost totally unknown. Teeth grinding is a condition causing involuntary contraction of jaw muscles, with various hypotheses including brain signals, genetic predisposition, stress, anxiety, abnormal bites, and drug effects like caffeine. 

It can manifest in children due to colds, ear infections, allergies, and other health issues. The condition can lead to teeth wearing down and becoming crooked or misshapen, and many people don’t realize they’re suffering until they see signs of damage. 

A person having Botox for the pain as a result of grinding

Can Botox Help with Teeth grinding?

Yes, Botox can be a helpful treatment for teeth grinding, also known as bruxism. Bruxism can cause headaches, jaw pain, and damage to teeth. Botox works by relaxing the muscles in the jaw, which can help to reduce grinding and clenching.

Botox is injected into the masseter muscles, which are the muscles that control chewing. The injections typically take only a few minutes and the effects can last for up to three months.

Botox is not a cure for teeth grinding, but it can be an effective way to manage the symptoms. If you are considering Botox for teeth grinding, it is important to talk to a qualified healthcare professional to discuss the risks and benefits of this treatment.

Here are some other things to keep in mind about Botox for teeth grinding:

  • It is not a permanent solution. The effects of Botox will wear off after a few months, and you will need to have repeat injections to maintain the results.
  • It is not a cure for the underlying cause of teeth grinding. Botox can help to manage the symptoms of teeth grinding, but it will not address the underlying cause of the problem.
  • It is not right for everyone. Botox is not appropriate for everyone, and there are some risks associated with the treatment. It is important to talk to a qualified healthcare professional to see if Botox is right for you.
How Does Botox Help with Jaw Clenching and Teeth Grinding?

How Does Botox Help with Jaw Clenching and Teeth Grinding?

Botox treatment, a neurotoxin injection, is not just a cosmetic solution; it can also treat bruxism. When injected into the masseter or temporalis muscles, which contract during chewing, the neurotoxin relaxes the muscles, releasing jaw tension and relieving pain from aches caused by chronic jaw clenching. 

It can also smooth out the square jawline caused by hypertrophy of the masseter muscles. Although the FDA has not officially approved Botox for bruxism, it has been proven to safely and effectively reduce symptoms. 

Patients experience effects within one to three days, lasting about three months. Treatment can be repeated once the effects wear off.

Here’s the breakdown:

  • Muscle Relaxation: Botox is a medication containing botulinum toxin, that temporarily blocks the signals between nerves and muscles.
  • Targeted Injection: In the case of teeth grinding, doctors inject Botox into the masseter muscles, the primary muscles for chewing located on either side of your jaw.
  • Reduced Force: By interrupting the nerve signals, Botox weakens the masseter muscles, making them less forceful and reducing their ability to clench or grind your teeth.
  • Relief from Symptoms: This relaxation can significantly decrease the frequency and intensity of teeth grinding, leading to less jaw pain, headaches, and potential tooth damage.
Aftercare for Botox for Bruxism

Aftercare for Botox for Bruxism

Botox is a non-invasive treatment for bruxism, allowing immediate return to regular activities. It effectively relaxes facial muscles without limiting facial movement. Doctors advise not to massage the injection site for at least 24 hours to prevent toxin spread. 

While rare, potential side effects include swelling, bruising, headache, crooked smile, and dry eyes. If a crooked smile occurs, it can be corrected with filler. Seeking treatment from an expert board-certified dermatologist can reduce these risks. 

Proper injection placement is crucial to avoid side effects. Results begin one to three days after treatment, lasting about three months. 

Note: Here are some conditions in which Botox injections are not recommended:

  • Hypersensitivity to botulinum toxin.
  • Recent intake (within 10 days preceding the procedure) of aspirin or corticosteroids
  • Pregnancy or breastfeeding.
  • Inflammatory skin diseases (they should be treated before treatment).

Visit Enhance Dental Centre

If you have headaches or other pain due to grinding your teeth, Botox may help. At Enhance Dental Centre, we provide dental Botox for teeth grinding as an effective treatment solution. Contact our friendly team today to schedule an appointment for your Botox injection.


Teeth grinding can be a frustrating and damaging habit. While the cause remains a bit of a mystery, Botox offers a promising solution for managing symptoms and protecting your smile.

If you’re considering Botox for teeth grinding, remember it’s not a one-time fix. The effects are temporary, but repeated treatments can provide significant relief from jaw pain, headaches, and tooth wear.


1- Does Botox help with grinding?

Botox can potentially help with teeth grinding by relaxing the muscles in your jaw, making it harder to clench and grind your teeth. This can lead to less pain, headaches, and damage to your teeth. However, it’s not a permanent solution and requires repeat injections to maintain the effects.

2- Where do you inject Botox for bruxism?

BTA injection into the masseter and temporalis muscles is proposed as a therapy for nocturnal bruxism, utilizing partial temporary muscle paralysis. The effect lasts a few months, returning to normal after repeated therapy.

3- How many units of Botox for bruxism?

Botulinum toxin is used to treat bruxism by correcting muscle exercise patterns, decreasing the square jaw, and alleviating pain by changing the patient’s lifestyle, with doses between 25-30 BU per side.

4- How long does Botox take to work for bruxism?

Botox doesn’t work instantly for bruxism, but it does take effect relatively quickly.

Onset: You might feel some initial relief within 1-3 days after the injection, but it’s not the full effect.

Peak Benefit: The full muscle relaxation and reduction in grinding typically occur within 10-14 days of the injection.