All of the following structures pierce the buccinator muscle except: (A) Parotid duct, (B) Molar glands of the check, (C) Buccal branch of facial nerve, (D) Buccal branch of the mandibular nerve
Answer is B. Buccinator, the muscle of the cheek. Pierced by Parotid duct Buccal branch of mandibular nerve actions: Flattens cheek against gums and teeth prevents accumulation of food in the vestibule. This is the whistling muscle. Ref BDC volume 3;sixth edition pg 66