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Radiology > Module 14 > Flashcards

Module 14 Flashcards

1
Q

Recognition of normal landmarks on radiographs enables the clinician to?

A

Mount and Interpret images

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2
Q

What are the 2 types of bone in the human body

A

Cortical

Cancellous

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3
Q

Cortical (_____) means?

A

Compact bone

outer layer

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4
Q

Cortical bone is ______ and _____ passage of x-rays wh

A

dense

resists

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5
Q

Cortical bone appears ______ on a dental image

A

radiopaque (white)

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6
Q

Cancellous bone is the ___, ___ bone located between two layers of cortical bone

A

soft

spongy

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7
Q

Cancellous bone appears predominantly ______ on x-rays

A

radiolucent (black/gray)

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8
Q

Prominences of bone are composed of ___ bone and appear _____

A

dense

radiopaque

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9
Q

A Process is a marked __ or __ of bone

ex:

A

prominence

projection

coronoid process

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10
Q

A Ridge is a ___ prominence/projection

ex:

A

linear

internal oblique ridge

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11
Q

A Spine is a _, ___ projection

ex:

A

sharp

thornlike

anterior nasal spine

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12
Q

A turbercle is a small ____ or ____

ex:

A

bump

nodule

genial tubercules

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13
Q

A Tuberosity is a _____ prominence

ex:

A

rounded

Maxillary tuberosity

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14
Q

Spaces and Depressions in bone appear ____ due to?

A

radiolucent

not resisting x-rays penetration

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15
Q

A Canal is a ___ passageway that contians ____

ex:

A

tubelike

nerves/blood vessels

mandibular canal

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16
Q

A Foramen is a ___ in bone

ex:

A

hole

Mental/Lingual Foramen

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17
Q

A Fossa is a __, _____ _____area of bone

ex:

A

broad

shallow depresssed

submandibular fossa

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18
Q

A Sinus is a ___ space in bone

ex:

A

hollow

maxillary sinus

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19
Q

A Septum is a bony ___ that does what?

A

wall

divides two spaces/cavities

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20
Q

A septum appears ____

ex:

A

radiopaque

nasal septum

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21
Q

A Suture is an ______ _____ and is found in the ____

A

immovable joint

skull

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22
Q

A suture appears as a thin _____ line

ex:

A

radiolucent

palatine suture of maxilla

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23
Q

The upper jaw is composed of ______

A

two paired maxillae bones

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24
Q

The maxilla is described as the architectural?

A

corner stone of face

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25
The Maxilla forms what 3 things
floor of orbit of eyes sides and floor of nasal cavities hard palate
26
What does Pneumatization mean?
When the floor of the sinus collapses in where a tooth is missing or has been removed.
27
The incisive foramen is also known as?
nasopalatine foramen
28
The incisive foramen is a ___ in bone located at the _____ of the ant. portion of the _____ directly ____ to the MX \_\_\_\_\_\_?
hole midline hard palate post. incisors
29
The incisive foramen is seen on an x-ray between the _____ of MX \_\_\_\_\_\_
roots central incisors
30
What is the immovable joint between the 2 palatine processes of the maxilla
Median Palatal Suture
31
The Median Palatal Suture appears as a thin ____ line between MX \_\_\_\_\_
radiolucent centrals
32
The median palatal suture becomes ___ with age
less distinct
33
What is found just inferior and medial to the infraorbital foarmen between MX canine and lateral incisors
Lateral Fossa
34
The lateral fossa is also called the?
Canine and incisive fossa
35
The Lateral Fossa appears ____ on x-rays
radiolucent
36
What anatomy is only visible with a MX occlusal film
Nasal Cavity or (Fossa) Nasal Septum Nasal Conchea Anterior Nasal Spine
37
The Nasal Cavity is also called the ?
Nasal Fossa
38
The Nasal Cavity is __ shaped and locates __ to the maxilla
pear superior
39
The Nasal Cavity appears as a large ___ area superior to the MX \_\_\_\_\_
radiolucent incisors
40
What is the vertical bony wall that divides the nasal cavity left and right
nasal septum
41
The nasal septum appears as a \_\_\_\_\_, ___ partition and can be superimposed over the?
Vertical Radiopaque Median palatal Suture
42
The floor of the nasal cavity is composed of ___ bone and defines the ____ border of the nasal cavity
dense cortical inferior
43
The floor of the nasal cavity appears as a dense ______ band of bone superior to the \_\_\_\_\_
radiopaque MX incisors
44
What is the sharp projections of the maxilla located at the inferior portion of the nasal cavity
nasal spine
45
The nasal spine appears as a ______ shape ___ area at teh intersection of the floor of the nasal cavity and the nasal septum
V radiopaque
46
What are the wafer-thin, curved plates of bones extending from the lateral walls of the nasal cavity
Inferior Nasal Conchae
47
The Inferior Nasal Conchea are ______ shaped and appear as a ____ \_\_\_\_\_ mass or projection within the nasal cavity
Shell/Scroll Diffuse Radiopaque
48
The Maxillary Sinuses are located Superior to Maxillary ____ and ____ teeth
premolar molar
49
The floor of the maxillary sinus is composed of dense _____ bone and appears as a ____ line
cortical radiopaque
50
What are the parts that supply maxillary teeth and interdental areas with blood?
Nutrient Canals
51
Nutrient Canals appear as ___ \_\_\_\_ bands surrounded by two thin ____ lines
narrow radiolucent radiopaque
52
What is the Inverted Y
intersection of the maxillary sinus and nasal cavity
53
The inverted Y appears as a ____ \_\_\_\_ Y and is found superior to what?
radiopaque upside-down MX canine
54
What appears as a radiopaque bulge distal to the 3rd/2nd molar region on the Maxillary arch
Maxillary Tuberosity
55
What appears as a hooklike projection posterior to the Maxillary tuberosity region
Hamulus
56
What appears as a J or U shaped radiopacity above the 1st molar of the Maxillary Arch
Zygomatic Process of Maxilla
57
The zygoma is referred to as the \_\_\_\_\_\_
cheekbone malar bone
58
The Ramus is the ____ portion of the mandible found posterior to ?
vertical 3rd molar
59
The body of the madible goes from ____ to ____ and is ___ shaped
ramus ramus U
60
What is the portion of the mandible that encases and supports the teeth
Alveolar Process
61
The Genial Tubercules are located on the ___ side of the madible and are \_\_-\_\_\_\_\_ radiopacity inferior to the apices of?
lingual ring-shaped MN incisors
62
What is located near the midline and surrounded by genial tubercules
lingual foramen
63
The Mental Ridge extends from the _ region to the _ and slopes slightly \_\_\_
premolar midline upward
64
The Mental Ridge is seen as a __ \_\_\_\_ band and often is superimposed over MN ant. teeth
thick radiopaque
65
The mental fossa is located _ the mental ridge and is seen as a _ area
above radiolucent
66
What is located on the external surface of the mandible in the region of mandibular premolars HINT: often mistaken for periapical lesions
Mental Foramen
67
The mylohyoid ridge extends from the __ region ____ and ___ toward the lower border of the mandibular symphysis
molar down forward
68
What extends from the mandibular foramen to the mental foramen
Mandibular Canal
69
Teh Mandibular Canal is often seen _ or __ over the apices of Mandibular Molar teeth
below superimposed
70
The internal oblique ridge goes from the ____ to the _ region or may continue on as the _____ \_\_\_\_
ramus 3rd molar Mylohyoid Ridge
71
The Submandibular Fossa is located inferior to what?
Mylohyoid ridge
72
What bone (image) is not seeno n a mandibular PA but does appear on a maxillary molar PA
Coronoid Process of the Mandible
73
The Alveolar Crest is located __ to _ mm below the CEJ on an x-ray
1. 5 2. 0
74
The PDL is about \_\_\_mm wide and sits between what 2 structures?
0.5 root of tooth and Lamina dura
75
The Alveolar bone is __ between anterior teeth and ___ and \_\_\_\_\_between posterior teeth
pointed flat and smooth
76
Is the Alveolar Crest Less Dense in Posterior region or Anterior region of mouth
Posterior
77

Radiology (24 decks)

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