Botulinum toxin type A treatment for contouring of the lower face.


BACKGROUND Since type A botulinum toxin was first reported for the treatment of masseter muscle hypertrophy in 1994, there have been few reports about cosmetic indications for contouring procedures of the lower face with injection of botulinum toxin type A, and this procedure remains unpredictable. OBJECTIVES This study attempted a quantitative… (More)


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