Bruxism at a glance
- What it is: involuntary clenching or grinding of the teeth, most often during sleep but also while awake
- Symptoms: morning jaw pain and tightness, headaches, worn or damaged teeth, tooth sensitivity and enlarged masseters
- Causes: stress and anxiety are common triggers; alcohol, smoking, some medicines and sleep disorders can make it worse
- Botox treatment: injections into the masseter reduce excessive clenching force, relieve pain and protect the teeth while preserving chewing function
- Important: botox does not address every cause of bruxism – a dental examination, a protective night guard and stress management are often part of the plan
What is bruxism?
Bruxism is a persistent habit of clenching or grinding the teeth that most often happens unconsciously during sleep, but can also occur during the day – especially with stress, concentration or tension. In some people it passes without damage, but prolonged heavy force can wear enamel, damage teeth and cause persistent jaw pain.
Symptoms and consequences
Typical signs are morning jaw tightness or pain, temple headaches, worn or chipped tooth edges, tooth sensitivity and neck tension. In strong bruxism the masseters enlarge, making the lower face appear squarer. A partner often notices the grinding sound during the night first.
Bruxism is often linked to stress and anxiety, and can be aggravated by alcohol, smoking, evening caffeine, certain medicines and sleep disorders. That is why treatment starts with looking for the cause, not only calming the muscle.
botox-help“>How does botox help?
Botox is injected into the masseter, the main chewing muscle. It reduces the excessive contraction force that causes clenching and pain, but the dose leaves enough strength for normal chewing. The goal is not to „paralyse“ the jaw, but to calm an overloaded muscle. The result develops over two weeks and lasts an average of 4-6 months.
What else does treatment include?
Botox does not repair teeth that are already damaged and does not address every cause. A dental examination assesses wear and the bite; a night guard protects the teeth; stress-management techniques and habit changes reduce triggers. If sleep apnoea or another sleep disorder is suspected, appropriate diagnosis is needed.
Frequently asked questions
Does botox affect chewing?
A properly measured dose reduces only excessive masseter strength. Normal chewing is preserved; there may be mild fatigue with hard food for a few days.
How long does the effect last?
Usually 4-6 months. With regular repetition the masseter becomes less hypertrophic and intervals may lengthen.
Does botox change face shape?
When the masseters are enlarged, the lower face gradually narrows. This is a gradual effect and is not the goal for every patient.
Do I still need a night guard?
Often yes. Botox reduces force and the guard protects the teeth from remaining clenching – the two approaches complement each other.
Read more
- Botox: medical and aesthetic indications
- Gummy smile: smile correction with botox
- Treatment price list
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