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A 45-year-old member asked:

Will my speech be affected if i receive botox treatment on my masseter muscles?

3 doctor answers5 doctors weighed in
Dr. Richard Tholen
Plastic Surgery 41 years experience
Not usually: Masseter Botox has been used to decrease jawline bulk, and needs to be carefully and judiciously used. It can slightly weaken chewing strength, but this is the strongest muscle in the human body, so it is usually well-tolerated. Speech could potentially be affected, but only if over-aggressively injected. Be conservative!
Dr. Simon Rosenberg
Prosthodontics 46 years experience
Usually Not: Massetter muscle Botox injections are also used to decrease the forces of clenching and grinding. It is indicated in patients with bruxism, TMJ dysfunction and to protect teeth from fracture (especially with new restorations in patient with severely worn-down teeth or a history of multiple fractured teeth or restorations.) with proper technique and dosage, speech is usually not affected.
Dr. Barry Handler
Plastic Surgery 32 years experience
Probably not: Botox works by paralyzing muscles. The master muscle helps with chewing. As previously mentioned Botox injection can make the muscle look less bulky by paralyzing it and you may or may not notice any change in the strength of chewing but the muscles involved in speech will most likely not be affected.

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