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Botox is an injectable muscle relaxer. It uses onabotulinumtoxinA, a neurotoxin that temporarily paralyzes the muscle. The injection is often used to make forehead wrinkles and crows feet less noticeable. However, if it’s used in your masseter muscles (near your cheekbones) it can also manage facial and jaw pain.

This use is known as masseter Botox. The masseter is one of the muscles that helps you chew. It’s located on the side of your face and connects your cheekbone to your lower jawbone. Botox is used to temporarily block nerve signals in the masseter. As a result, the muscle is unable to move.

Botox in the masseter is typically used for:

  • managing teeth grinding

  • reducing jaw tension, pain, and clenching

  • relieving headaches

  • contouring a square jaw

  • creating a balanced face shape  

Before getting Botox, you’ll have a consultation with Dr. Miller, where he'll examine your jaw and face to determine the injection site and how many syringes you'll need, as well as answer any questions you may have beforehand.

Teeth grinding, or bruxism, is typically treated with mouthguards and lifestyle changes.

If you have severe bruxism, Botox injections may be more effective.


As the botulinum toxin weakens the masseter, it relaxes the jaw. This stops the jaw and teeth from involuntarily clenching, reducing symptoms like:

  • tight jaw

  • pain in the jaw, neck, or face

  • tooth sensitivity or pain

  • dull headache

  • tooth damage

  • ear pain 

To learn more about what we offer or to schedule your consultation call us at 503-944-9374!

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