4.
The sickle-shaped folds which connect the alveolar processes with the upper or
lower lips comprise the:
a. Labial frena.
b. Lingual frenum.
c.
Mucobuccal folds.
5.
The tissues which form the upper and lower boundaries of the oral vestibule
comprise the:
a. Labial frena.
b. Lingual frenum.
c.
Mucobuccal folds.
6.
Which salivary gland has an opening that is easily noted because of a high
elevation of mucous membrane?
a. Submandibular.
b. Parotid.
c.
Sublingual.
7.
What two areas of the vestibule of the mouth are of great importance in denture
construction?
a. Gingiva of the maxilla and the mandible.
b. Openings of the parotid glands.
c.
Spaces most distal to the posterior molars.
d. Mucobuccal folds and labial frena.
MD0501
3-12