Name

# Buccinator

Pronunciation

(buc-ci-na-tor )

Origin/Proximal Attachment

Alveolar processes of mandible and maxilla opposite upper and lower molar teeth; posteriorly, it arises from the pterygomandibular raphe opposite superior constrictor

Insertion/Distal Attachment

Fibers course forward to blend into the formation of the orbicularis oris, decussating at the angles of the mouth

Action/Relevance

Compresses the cheeks during chewing; also compresses the distended cheeks as in blowing up a balloon.

Innervation

Buccal branch of the facial nerve.