Lower Facial 1/3: Perioral Rhytids, Gummy Smile, Chin
摘要
The lower third of the face is the most dynamic area; it encompasses soft and bony structures; it is the responsible for eating, verbalization and speech; in addition, certain characteristics portray masculinity or femininity; thus, the dermatologist must learn how to recognize when and how to be treated with fillers and botulinum toxin this region. In this chapter, readers will learn how to properly analyze the patients need and how to apply botulinum toxin and fillers on this area of the face.