Chapter 10 Test

____________ extends from the base of the sulcus to the mucogingival junction.

Attached gingiva

what is another term for interdental gingiva

Interdental papilla

The winglike tip on the outer side of each nostril is called the

ala

The labial commissure is the

angle at the corner of the mouth where the upper and lower lips join

The fold of tissue at the outer corner of the eyelid is the

canthus

The corners of the lips are called the

commissures

what is the correct term for the upper surface of the tongue ?

dorsum

What region of the face extends from the eyebrows to the hairline?

forehead

what is another term for unattached gingiva?

free gingiva

A narrow fold of mucous membrane passing from a more fixed to a movable part is the

frenum

the structure that passes from the oral mucosa to the facial midline of the mandibular arch is the

frenum

what is the proper term for the "gums" ?

gingiva

In health, the space between the free gingiva and the tooth that rarely exceeds 2 to 3 mm in depth is the

gingival sulcus

The ____________ is a pear-shaped structure formed by dense connective tissue and located directly posterior to the maxillary central incisors.

incisive papilla

what is the name of the pear-shaped pad of tissue behind the maxillary incisors.

incisive papilla

The thin fold of mucous membrane that extends from the floor of the mouth to the underside of the tongue is the

lingual frenum

The vermillion border is located lining the structure called the

lips

what type of tissue covers the oral cavity ?

mucous membrane

The rectangular area between the two ridges running from under the nose of the midline of the upper lip is the

philtrum

Irregular ridges or folds in the mucous membrane located on the anterior portion of the hard palate just behind the maxillary incisors are

rugae

Fordyce's spots or granules are

small yellowish elevations and premalignant

The filiform papillae, which cover the surface of the tongue, are the receptors of

touch

The cartilaginous projection anterior to the external opening of the ear is the

tragus

It is important to protect the lips with sunscreen because sun exposure increases the risk of cancerous changes.

true

what is the name of the hanging pear-shaped projection of tissue at the border of the soft palate ?

uvula

the line that marks a color change from your face to your lips is referred to as the_________

vermilion border

besides the oral cavity proper, name the other region of the oral cavity

vestibule