BUCCINATOR

• Origin

Alveolar processes of maxilla and mandible, pterygomandibular raphe

• Insertion

Orbicularis oris muscle

• Agonist(s)

- Orbicularis oris

• Antagonist(s)

- Risorius

• Function

Compresses cheeks against teeth, aids in chewing, helps keep food between teeth during chewing, assists in blowing air out of mouth