DENA 1080 TEST 1 REVIEW (DENTAL ANATOMY)

which sinuses are located close to the optic nerves behind the eyes?

Sphenoid

what nerve is the primary source of innervation for the oral cavity?

Trigeminal nerve

which sinuses are located within the forehead just above the eyes?

Frontal

What is xerostomia?

Dry mouth

What and where is Wharton’s duct?

Submandibular gland, located in the floor of the mouth

The parotid gland secretes into the oral cavity through?

Stensen’s Duct

What supplies blood to the brain and eyes?

Internal parotid artery

How much saliva does a person secrete per day?

2-3 pints (1.7 liters) a day

what is the meaning of deglutition?

Swallowing

Which muscles suspend the angle of the mandible in a sling and help to articulate the maxilla and mandible?

Masseter and Internal pterygoid

What muscle is sometimes referred to as the “pouting muscle”?

Mentalis

If you wanted to stick your tongue out to someone, which muscle would you use?

Genioglossus

What is the term for a muscle that helps the prime mover in a group of muscles?

Synergist

List the Muscles of Facial Expression:

Buccinator

Orbicularis Oris

Zygomatic major

Mentalis

What is bruxism?

Night grinding and/ or Clenching

What is the muscle that forms, closes and protrudes the lips?

Orbicularis Oris

What is the principal muscle of the cheek, it compresses and holds food in contact with the teeth during mastication and retract the angle of the mouth?

Buccinator

What is the muscle that draws the angle of the mouth upwards and backwards as in smiling or laughing?

Zygomatic major

List the muscles of the floor of the mouth:

Mylohyoid

Geniohyoid

Digastric

Stylohyoid

Which two bones make up the nasal septum?

Ethmoid and Vomer bone

The socket or opening in bone which surrounds the root of a tooth is the?

Alveolus

Lacrimal means?

Tear

A small rounded or slightly curved projection is a:

Protuberance

A junction or fusion between two bones is a:

Suture

What is the term for the tip of the chin?

Mental protuberance