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IN THEIR article, Drs Papel and Capone1
present convincing evidence of another use for botulinum toxin A in the mentalis
muscle. For many years, the mentalis has been weakened for "peau d'orange"
chin caused by loss of the dermal collagen and subdermal fat that normally
obscures the superficial musculoaponeurotic system attachments to the mental
In the article by Papel and Capone,1
subjects who developed mentalis dysfunction following augmentation genioplasty
and/or revision were treated and observed for some years following their surgical
procedures. Twenty units of botulinum toxin A was injected into the mentalis
in all 3 subjects with similar positive aesthetic results that lasted 4 months.
All subjects were pleased with the results.
Carruthers J. Botulinum Neurotoxin Is a Useful Adjunct to Surgical Treatment. Arch Facial Plast Surg. 2001;3(4):270. doi: