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An illustrated guide to the embryology, histology, and anatomy of oral structures. it covers key anatomical features of the oral cavity, including the teeth, gums, tongue, palate, and associated structures. The descriptions are concise, making it a useful resource for students of dentistry or related fields.
Typology: Exams
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facial
Those structures closest to the facial surface are termed...
Labial
facial structures closest to the lips are termed
Buccal
facial structures close to the inner cheek are termed
lingual
structures closest to the tongue are termed
Palatal
lingual structures closest to the palate are termed
vestibule
The upper and lower horseshoe-shaped spaces in the oral cavity between the lips and cheeks anteriorly and laterally and the teeth and their soft tissue medially and posteriorly are considered
oral mucosa
These oral vestibules are lined by a mucous membrane, or...
labial mucosa
The inner parts of the lips are lined by a pink
buccal mucosa
The mucous membrane (mucosa) lining the cheek.
buccal fat pad
dense pad of inner tissue covered by buccal mucosa
The buccal fat pad acts as a protective cushion during
mastication (chewing)
Parotid papilla
Maxilla
has a nonmovable articulation with many facial and skull bones
Mandible
a single bone with a movable articulation with the temporal bones at each temporomandibular joint (TMJ).
body of mandible
The heavy horizontal part of the lower jaw inferior to the teeth is the
alveolar process
is the bony extension for both the maxilla and mandible that contain each tooth socket of the teeth
Canine eminence
The facial surface of the alveolus of each canine, the vertically placed
Peridontal Ligament (PDL)
All the teeth are attached to the bony surface of the alveoli by the fibrous...
which allows some slight tooth movement within the alveolus while still supporting the tooth.
Each of the mature and fully erupted teeth consists of both the
Crown and root
The crown of the tooth is composed of the extremely hard outer
enamel
Middle layer of tooth
dentin (softer than enamel)
The inner part of a tooth is the
pulp
the outermost layer of the root(s) is composed of
cementum
maxillary tuberosity
Just distal to the last tooth of the maxillary arch is a tissue - covered elevation of the bone, the
retromolar pad
interdental papilla
The interdental gingiva is the gingival tissue between adjacent teeth adjoining attached gingiva, with each individual extension being an
gingival sulcus
The inner surface of the gingival tissue with each tooth faces a space...
oral cavity proper
The inside of the mouth is known as the....
fauces
Posteriorly, the opening from the oral cavity proper into the pharynx or throat is the
Palitine tonsils
located between these folds of tissue created by underlying muscles
palate
Within the oral cavity proper is the roof of the mouth, or
hard palate
The firmer anterior part of the palate is considered the
median palatine raphe
A midline ridge of tissue on the hard palate is the
inclusive papilla
A small bulge of tissue at the most anterior part of the hard palate, lingual to the anterior teeth, is the
palatine rugae
firm, irregular ridges of tissue radiating from the incisive papilla and raphe.
uvula
hangs down from the posterior margin of the soft palate
pterygomandibular fold
Tissue fold that extends from junction of hard and soft palates down to mandible
Where the sulcus terminalis points backward toward the throat or pharynx is a small, pitlike depression, the
lingual tonsils
Even farther posteriorly on the dorsal surface of the base of the tongue is an irregular mass of tissue, the
Filform Papillae
The slender, threadlike, whitish lingual papillae are the
Gives the dorsal of the tongue a velvet feeling
funiform papillae
The reddish, smaller mushroom‑ shaped dots on the dorsal surface are the
Circumvallate lingual papillae
The 10 to 14 larger mushroom-shaped lingual papillae, the
Lateral surface
side of tongue
foliate lingual papillae
has vertical ridges
The ventral surface
underside of tongue
plica fimbriata
Lateral to each deep lingual vein is the
floor of the mouth
located in the oral cavity proper, inferior to the ventral surface of the tongue
lingual frenum
The thin fold of mucous membrane that extends from the floor of the mouth to the underside of the tongue
sublingual fold
A ridge of tissue on each side of the floor of the mouth, the
submandibular duct and sublingual duct (or Wharton duct and Bartholin duct,
