Muscle relaxant injections for teeth grinding are a highly effective, non-surgical treatment designed to relieve chronic jaw tension caused by bruxism. Bruxism is a condition where the jaw muscles involuntarily clench or grind, often during sleep, leading to pain, headaches, tooth damage, and facial discomfort.
This treatment works by gently relaxing the overactive jaw muscles—most commonly the masseter muscles—reducing their ability to clench forcefully. Unlike dental guards that only protect the teeth, muscle relaxant injections address the root cause of bruxism by calming excessive muscle activity.
In addition to relieving symptoms, this treatment can improve facial comfort, reduce jaw bulk caused by muscle overuse, and enhance overall quality of life. Results are natural and controlled, allowing normal jaw function such as chewing and speaking while preventing damaging grinding behaviour.
Muscle relaxant injections work by temporarily reducing the activity of the overactive jaw muscles responsible for clenching and grinding. When injected into precise points within the masseter muscles, the treatment blocks nerve signals that cause excessive muscle contraction. This allows the muscles to relax while preserving normal jaw movement and function.
As the muscle activity decreases, the force generated during clenching is significantly reduced. Over time, this not only alleviates pain and discomfort but also allows the jaw muscles to soften and reduce in size if they have become enlarged due to chronic overuse. The result is improved comfort, reduced strain on the teeth and jaw joints, and a more balanced facial appearance.
No. The treatment is carefully dosed to reduce excessive clenching while maintaining normal jaw function for chewing, speaking, and facial expression.
Most patients begin to notice reduced jaw tension within 7–14 days, with full effects developing shortly after.
While night guards protect the teeth, muscle relaxant injections address the underlying muscle activity. Many patients benefit from using both approaches together.
In patients with enlarged jaw muscles due to clenching, gradual softening of the jawline may occur, resulting in a more balanced facial contour.
Results typically last 3–6 months. Regular maintenance treatments help maintain comfort and prevent recurrence of symptoms.
Mild tenderness or tightness may be felt at the injection sites. Most patients return to work and daily activities straight away with no restrictions.
Jaw tension begins to ease, teeth grinding reduces, and associated headaches or facial pain become less frequent. Patients often notice improved sleep quality during this stage.
The jaw muscles remain relaxed, protecting the teeth and reducing discomfort. As muscle activity decreases, jaw bulk may soften gradually. Maintenance treatments every 3–6 months help sustain long-term relief.
