1|Page
Orofacial Anatomy Chapter 2- The Tooth Anatomy
of Orofacial Structures (New 2026
The inside of the mouth is known as the _____. - ANSWER -oral cavity
Underlying the upper lip is the _____, or upper jaw. - ANSWER -
maxillae
The bone underlying the lower lip is the _____, or lower jaw. - ANSWER
-mandible
The oral cavity is lined by a mucous membrane, the _____. - ANSWER -
oral mucosa
The inner parts of the lips are lined by a pink and thick _____. -
ANSWER -labial mucosa
The labial mucosa is continuous with the equally pink and thick _____
that lines the inner cheek. - ANSWER -buccal mucosa
pg. 1
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The upper and lower horseshoe-shaped spaces in the oral cavoty
between the lips and cheeks anteriorly and laterally and the teeth and
their soft tissue medially ad posteriorly are considered the mazillary and
mandibular _____. - ANSWER -vestibules
Deep within each vestibule is the vestibular fornix, where the pink and
thick labial or buccal mucosa meets the redder and thinner _____ at the
mucobuccal fold. - ANSWER -alveolar mucosa
On the inner part of the buccal mucosa, just opposite the maxillary
second molar, is the _____, a small elevation of tissue that protects the
duct opening from the parotid salivary gland. - ANSWER -parotid
papilla
The _____ is a fold of tissue located at the midline between the labial
mucosa and the alveolar mucosa on both the maxilla and mandible. -
ANSWER -labial frenum
buccal - ANSWER -structures closest to inner cheek
facial - ANSWER -structure closest to facial surface
golden proportions - ANSWER -guidelines for considering vertical
dimensions of face to create pleasing proportion
pg. 2
, 3|Page
labial - ANSWER -structures closest to lips
lingual - ANSWER -structures closest to tongue
palatal - ANSWER -structures closest to palate
surface anatomy - ANSWER -study of structural relationships of
external features to internal organs and parts
vertical dimension of the face - ANSWER -face divided into thirds
regions of the head - ANSWER -frontal, parietal, occipital, temporal,
auricular, orbital, nasal, infraorbital, zygomatic, buccal, oral, mental
frontal region - ANSWER -the forehead and the area superior to the
eyes and is defined by the deeper skull bone
supraorbital ridge - ANSWER -directly inferior to each eyebrow
glabella - ANSWER -smooth elevated area between the eyebrows,
tends to be flat in children and adult females but rounded prominence
in adult males
pg. 3
Orofacial Anatomy Chapter 2- The Tooth Anatomy
of Orofacial Structures (New 2026
The inside of the mouth is known as the _____. - ANSWER -oral cavity
Underlying the upper lip is the _____, or upper jaw. - ANSWER -
maxillae
The bone underlying the lower lip is the _____, or lower jaw. - ANSWER
-mandible
The oral cavity is lined by a mucous membrane, the _____. - ANSWER -
oral mucosa
The inner parts of the lips are lined by a pink and thick _____. -
ANSWER -labial mucosa
The labial mucosa is continuous with the equally pink and thick _____
that lines the inner cheek. - ANSWER -buccal mucosa
pg. 1
,2|Page
The upper and lower horseshoe-shaped spaces in the oral cavoty
between the lips and cheeks anteriorly and laterally and the teeth and
their soft tissue medially ad posteriorly are considered the mazillary and
mandibular _____. - ANSWER -vestibules
Deep within each vestibule is the vestibular fornix, where the pink and
thick labial or buccal mucosa meets the redder and thinner _____ at the
mucobuccal fold. - ANSWER -alveolar mucosa
On the inner part of the buccal mucosa, just opposite the maxillary
second molar, is the _____, a small elevation of tissue that protects the
duct opening from the parotid salivary gland. - ANSWER -parotid
papilla
The _____ is a fold of tissue located at the midline between the labial
mucosa and the alveolar mucosa on both the maxilla and mandible. -
ANSWER -labial frenum
buccal - ANSWER -structures closest to inner cheek
facial - ANSWER -structure closest to facial surface
golden proportions - ANSWER -guidelines for considering vertical
dimensions of face to create pleasing proportion
pg. 2
, 3|Page
labial - ANSWER -structures closest to lips
lingual - ANSWER -structures closest to tongue
palatal - ANSWER -structures closest to palate
surface anatomy - ANSWER -study of structural relationships of
external features to internal organs and parts
vertical dimension of the face - ANSWER -face divided into thirds
regions of the head - ANSWER -frontal, parietal, occipital, temporal,
auricular, orbital, nasal, infraorbital, zygomatic, buccal, oral, mental
frontal region - ANSWER -the forehead and the area superior to the
eyes and is defined by the deeper skull bone
supraorbital ridge - ANSWER -directly inferior to each eyebrow
glabella - ANSWER -smooth elevated area between the eyebrows,
tends to be flat in children and adult females but rounded prominence
in adult males
pg. 3
