Masseter Botulinum Toxin

Masseter botulinum toxin temporarily reduces activity in the masseter chewing muscle.

Teeth-clenching symptoms require dental assessment, examination of the jaw joint and investigation of possible causes.

It may be considered for symptom reduction in selected individuals but does not establish a cure for the cause of bruxism.

Licensed indications vary by product and country, while effects and repeat-treatment needs differ between individuals.

Chewing weakness or smile asymmetry can occur, and difficulty swallowing or breathing requires urgent assessment.