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