Muscles of Facial Expressions

What is the insertion of the mentalis?

• fibers of orbicularis oris

• skin of chin

• into itself and surrounding skin

• fibers of orbicularis oris, angle of mouth

What is not a function of the orbicularis oris group?

• winking

• opening and closing mouth

• puckering lips

• chewing

What muscles would cause you to maybe get dimples?

• Zygomatic

• Buccinator

• Styloid

• Mylohyoid

(a)   helps stabilize the complete denture

The Mentalis is the only elevator of the lower chin and lip

• True

• False

The origin of the Zygomatic Major is the Zygomatic bone

• True

• False

Is Muscles of the Facial group the only group of muscles that insert onto the skin?

• yes

• depends

• no

The Orbicularis Oris is not a complex multi layer muscle

• True

• False

What muscle helps with swallowing and sucking?

• Mentalis

• Zygomatic

• Buccinator

• Orbicularis Oris

(a)   refers to a condition characterized by an ability to easily hold the lips together while at rest