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NDAEB exam review- ORAL ANATOMY 2.1.
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NDAEB exam review- ORAL ANATOMY 2.1.The entire oral cavity is lined with ______ ______tissue. This type of tissue is moist and is adapted to
meet the needs of the area it covers.
mucous membrane
The oral cavity consists of the following two areas:
1.The vestibule
2.The oral cavity proper
The _________ is the space between the teeth and the inner mucosal lining of the lips and tongue.
The vestibule .
The base of each vestibule, where the buccal mucosa meets the alveolar mucosa, is called the
mucobuccal fold
A distinct line of color change can be seen in the tissue where the alveolar membrane meets...
Mucoginigival Junction
The vestibular mucosa is ____,____,and ______ bound to underlying alveolar bone.
thin, red and loosely
The inside surfaces of the cheeks form the side walls of the oral cavity. The_____ _____ is the area
between the cheeks and the teeth or alveolar ridge.
buccal vestibule
A small elevation of tissue called the _______ ______is located on the inner surface of the cheek on
the buccal mucosa, just opposite the second maxillary molar. It protects the opening of the parotid
duct (Stensen's duct) of the parotid salivary gland
parotid papilla
______ _______begins on the inside of the lips and then extends from the lips onto the alveolar
process of both arches
intraoral vestibule
_______ _____ are normal, small, yellowish elevations that may appear on the buccal mucosa.
Fordyce's spots
This white ridge of raised tissue extends horizontally at the level where the maxillary and mandibular
teeth come together
linea alba
What is a frenum?
,is a narrow band of tissue that connects two structures.
The maxillary _______ _______ passes from the oral mucosa at the midline of the maxillary arch to
the midline of the inner surface of the upper lip.
labial frenum
The mandibular ______ _____ passes from the oral mucosa at the midline of the mandibular arch to
the midline of the inner surface of the lower lip.
mandibular labial frenum
In the area of the first maxillary permanent molar, the ______ ______passes from the oral mucosa of
the outer surface of the maxillary arch to the inner surface of the cheek.
buccal frenum
The ____ ______passes from the floor of the mouth to the midline of the ventral border of the tongue
lingual frenum
The _______, is masticatory mucosa that covers the alveolar processes of the jaws and surrounds the
necks of the teeth
gingiva (gums)
Normal gingival tissue has the following characteristics:
•Gingiva surrounds the tooth like a collar and is self-cleansing.
•Gingiva is firm and resistant and can be tightly adapted to the tooth and bone.
•Surfaces of the attached gingiva and interdental papillae are stippled and resemble the rind of an
orange.
_______ _____,
- is the border of the gingiva that surrounds the teeth in collar-like fashion,
-Is the first tissue to respond to inflammation
-is usually light pink or coral,
-is not bound to the underlying tissue of the tooth.
-also known as marginal gingiva or free gingiva
Unattached gingiva,
The,______ ______ is the extension of the free gingiva that fills the interproximal embrasure between
two adjacent teeth.
also known as " interdental papilla"
interdental gingiva
The _____ _____ is a shallow groove that runs parallel to the margin of the unattached gingiva and
marks the beginning of the attached gingiva.
gingival groove
, The _____ _____ extends from the base of the sulcus to the mucogingival junction. It is a stippled,
dense tissue that is self-protecting, firmly bound, and resilient.
attached gingiva
The _________ is the space on the tongue side within the upper and lower dental arches.
Oral cavity proper
The ____ ______separates the nasal cavity above from the oral cavity below
hard palate
Surface features of the hard Palate
Incisive papilla, palatal rugae, midline palatal raphe, ducts for the palatal glands
Behind the maxillary central incisors is the _____ _____ a pear-shaped pad of tissue that covers the
incisive foramen.
incisive papilla,
1. Palatal Rugae
2. Incisive papilla
3.Median Palatine raphe
4. ducts for palatal gland
5.lingual(palatal) gingiva
. Extending laterally from the incisive papilla are irregular ridges or folds of masticatory mucosa, called
______ ____
palatal rugae
Running posteriorly from the incisive papilla is the ______ ____ ______
midline palatal raphe.
Numerous minor open onto the palatal mucosa as small pits.
palatal glands
The ____ ____
-is the movable posterior third of the palate
-It has no bony support and hangs into the pharynx behind it.
-ends with a pear-shaped hanging projection of tissue, called the uvula
soft palate
The soft palate is supported posteriorly by two arches, the_______
the fauces.
The anterior arch runs from the soft palate down to the lateral aspects of the tongue as the ____
_____ _____
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