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Mouth Diseases




Is there an oral condition referred to as "platysma"? Thank you.


The platysma is a facial muscle. The muscle draws the lower lip and corner of the mouth sideways and down, partially opening the mouth, sometimes in an expression of surprise, fright, or even a frown.

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Response by:

Richard J Jurevic, DDS, PhD Richard J Jurevic, DDS, PhD
Formerly, Assistant Professor of Biological Sciences
School of Dental Medicine
Case Western Reserve University