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Friday, September 30, 2016
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.
Richard J Jurevic, DDS, PhD
Formerly, Assistant Professor of Biological Sciences
School of Dental Medicine
Case Western Reserve University