Botulinum toxin type A in the management of masseter muscle hypertrophy.


PURPOSE We sought to evaluate the response of 6 patients with masseter muscle hypertrophy to botulinum toxin type A therapy. PATIENTS AND METHODS Six patients with unilateral or bilateral masseter muscle hypertrophy received intramuscular injection of the botulinum toxin type A. The functional and cosmetic results were evaluated as well as recurrence… (More)


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