# “Witch Chin” is a postoperative complication that occurs when a mucoperiosteal flap is raised in the symphyseal area because of:
A. injury to the orbicularis oris
B. detachment of mentalis muscle
C. incisive nerve damage
D. periosteal striping
E. detachment of the platysma muscle
The correct answer is B. Detachment of mentalis muscle.
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