The muscle of facial expression that compresses the cheeks against the teeth and retracts the angle of the mouth is the:

Question

Quizplus · Accepted Answer

The buccinator compresses the cheeks against the teeth and retracts the angle of the mouth.
The orbicularis oris muscle closes and puckers the lips and aids in chewing and speaking by pressing the lips against the teeth.
The mentalis raises and wrinkles skin of the chin and pushes up the lower lip.
The zygomatic major draws angles of the mouth upward and backward,as in laughing.

The Muscle of Facial Expression That Compresses the Cheeks Against