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Radiology Roulette Flashcards

(90 cards)

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1
Q

What color are dental Caries clinically?

A

Chalky White

*also brown

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2
Q

What is the best Radiograph to use for Interproximal Caries in the Anterior?

Posterior?

A

Periapicals

Bitewings

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3
Q

3 very Radiopaque hard tissues in Pano:

Very Radiolucent soft tissue in Pano:

A

Cranial Bone, Cortical Bone, Teeth

Airway

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4
Q

A minimum of ____% demineralization must occur before it shows up on Radiographs

A

55-60%

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5
Q

T/F

Incipient caries can be seen on Radiographs

A

False

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6
Q

How far into the Dentin does Caries have to be before we see it clinically?

A

1/2

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7
Q

Incipient caries are ____ thickness of Enamel

Moderate caries are _____ thickness of Enamel and do not involve the ______

Advanced Caries are _____ distance to Pulp Cavity

Severe Caries are _____ distance to Pulp Cavity

A

less than 1/2

more than 1/2

less than 1/2 (Enamel + Dentin)

more than 1/2

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8
Q

Clinically, Severe Caries appears as a _______

A

Cavitation

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9
Q

3 limitations of Radiographs for a Perio diagnosis:

A

Superimposition

No soft tissue of periodontium

Cemento-enamel Junction used as landmark for measuring bone loss

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10
Q

Cemento-enamel Junction (CEJ) can’t be used as diagnostic in imagery if what has occurred?

A

Supraeruption

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11
Q

Image limitations for Perio: radiographs ____ dimensional

Details lost due to _______

Radiographs don’t demonstrate ______ disease (need 55-60% demineralization)

Radiographs don’t show ______

CEJ not valid if ______ has occurred

A

2

superimposition

incipient

soft tissue

supraeruption

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12
Q

What image is best to show the bone height?

A

Vertical or Horizontal Bitewings

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13
Q

The Crest of Bone is normally ____ mm below the CEJ

A

1-2 mm

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14
Q

A little bit of inflammation will cause moderate deposition/resorption, causing…

Lots’ of inflammation will cause lots of Deposition/Resorption, causing…

A

Radiolucencies

Radiopacities

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15
Q

Deposition of Bone in Perio disease will lead to what?

A

Body laying down bone (sclerosis)

*radiopaque

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16
Q

Apical perio will cause _____, which will create _____ on an image

A

sclerosis

radiopacities

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17
Q

Localized Aggressive Perio will present how radiographically?

Usually seen in _____ decade

Happens to what 2 teeth?

____ bone loss and minimal amounts of _____

A

Vertical Defects

2nd

Mn 1M, CI’s

rapid, plaque

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18
Q

LAP (Localized Aggressive Perio) is known for what type of Bone Loss?

A

Vertical

***localized and vertical

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19
Q

Uncontrolled Diabetes will result in what on a radiograph?

A

Alveolar bone loss

*“bone loss and destruction of alveolar bone”

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20
Q

Supernumerary teeth are more likely to occur in what Dentition?

Where?

A

Permanent

Mx incisors (mesiodens)

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21
Q

Supernumerary teeth occur in ___% of the pop. and are 2x more common in _____ (gender)

A

1-4%

males

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22
Q

What syndrome should you associate with Supernumerary Teeth?

Name 2 more:

A

Gardner’s Syndrome

Cleidocranial Dysplasia, pykodysostosis

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23
Q

Most common missing teeth

and then…

and then…

and then…

A

3rd molars

2nd premolars

Mx LI

Mn CI

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24
Q

Larger than normal teeth, rarely affects entire dentition

A

Macrodontia

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25
Macrodontia in the Molars is usually increased ____ dimension Centrals?
M/D M/D and coronal/apical
26
Single tooth attempts to divide (normal tooth count if treated as one)
Gemination
27
Union of two adjacent teeth:
Fusion
28
Roots of 2 or more primary or permanent teeth are fused by Cementum
Concrescence
29
Disturbance is the tooth formation that produces a sharp bend or curve in the tooth anywhere in the Crown or Root:
Dilaceration
30
Tooth inside a Tooth: Risk of what?
Dens Invaginatus pulpal inflammation
31
Extra enamel tubercle, usually located in the Central Occlusal Area
Dens Evaginatus
32
Elongated body and short Roots, with pulp chamber extending apically throughout
Taurodontism
33
T/F | Taurodontism can happen to any tooth
True
34
T/F | Clinically, the distinguishing features of Taurodontism are NOT visible
True **short "bull" roots
35
T/F | Taurodontism occurs with greater frequency w/ Trisomy 21, AI, and Klinefelters
True
36
T/F | There is Tx for Taurodontism
False
37
Amelogenesis Imperfecta is an anomaly arising in _____ genes involved in enamel formation
1 of 4
38
What are the 4 types of Amelogenesis Imperfecta?
Hypoplastic Hypomaturation Hypocalcification Hypomaturation/Hypocalcification
39
Hypoplastic A.I. the enamel fails to develop to normal ______ Color of the Dentis is _____ Enamel can be rough, pitted, smooth, or glossy, but thre is loss of _____ Cusps are _____
Thickness yellowish brown interproximal contact flat
40
Hypomaturation A.I. the enamel looks _______ and has ____- thickness
mottled normal *may break away from crown, "snow capped"
41
Hypocalcification A.I. crown is ______ but the enamel is poorly ______
normal mineralized
42
T/F | A normal explorer can penetrate Hypocalcification A.I. enamel
True
43
Hypocalcification A.I stains more b/c of more porous
True
44
Hypocalcification/Hypomaturation A.I. combo has enamel that is the same radiopacity of _______
dentin
45
Radiographically, A.I. has what 4 features?
Square crown thin radiopaque layer Enamel Low/absent cusps multiple open contacts
46
4 (radiographic) characteristics of Dentinogenesis Imperfecta
Bulbous crowns Constriction at CEJ Short Roots Reduced size of pulp chamber
47
Clinically, D.I. has ____ like translucency with Yellow to Blue Gray
Amber
48
Regional Odontodysplasia has a ______ appearance radiographically
Ghost like
49
A localized arrest in tooth development with Ghost like appearance:
Regional odontodysplasia
50
T/F | Regional odontodysplasia affects both enamel and dentin (hypoplastic/hypocalcified)
True
51
T/F | Regional odontodysplasia is hereditary
False
52
3 Radiographic features of Regional Odontodysplasia:
Ghost like Thin enamel/dentin Appear to be resorbing
53
Localized, radiolucent, round, oval, elongated, Sharply Defined, expansion pulp canal same shape, surfaces affected
Internal resorption External resorption
54
T/F | Once inside, it is difficult to tell if resorption began internally or externally
True
55
What is the hallmark sign of Osteomyelitis?
Sequestra *internal piece of dead bone
56
Apical lesions, Sclerosis will appear... What will be the most Radiolucent?
Radiopaque Rarifying
57
The most Radiolucent periapical lesion is... Radiopaque is...
Rarifying Sclerotic
58
Acute Osteomyelitis is from an infection that spread where? Originating in a ____ tooth, ____, or _____
marrow non-vital, trauma, hematogenous
59
Chronic Osteomyelitis may be sequelae of _______ or may arise ____
inadequately Tx acute osteomyelitis de novo
60
Chronic osteomyelitis in which metabolism tips toward increased bone formation - Sclerotic radiographs:
Diffuse sclerosing osteomyelitis
61
3 diseases that can cause Osteomyelitis:
Fibrous dysplasia Paget's Osteosarcoma
62
Osteomyelitis is most likely to occur where?
Posterior Mandible
63
T/F | Osteoradionecrosis may cause Osteomyelitis
True
64
Bisphosphonates, aka...
pyrophosphates
65
Bisphosphonates inhibit what?
Osteoclasts
66
Cysts cause what 3 things?
Resorption tipping of an involved Molar Expansion
67
Cysts are Radiolucent with well defined Margins and are ___ to ____ in size
5 mm several cm *can displace or resorb roots
68
What is the most common type of cyst found in the jaw that a dentist will see?
Radicular Granuloma/Cyst
69
A Radicular Granuloma is more common where?
Maxilla
70
What is the more common cyst, Radicular Granuyloma or KCOT?
Radicular Granuloma
71
KCOT is a Cyst derived from ______ KCOT, aka...
Dental Lamina Keratocystic odontogenic tumor
72
KCOT can be found anywhere, anytime
True
73
KCOT has mild expansion, male predominance, and a high ____ rate
Recurrence * is highly aggressive * related to Gorlin Syndrome
74
KCOT is diagnosed by the appearance of a ___ , not its contents
cyst wall
75
% time KCOT found Posterior body of Mn: % time KCOT found in the Ramus:
90% 50%
76
Where is KCOT found in relation to the IA canal?
superior *similar to dentigerous cyst
77
The borders of KCOT are ____ defined
well *corticated
78
The internal structure of KCOT is _______ despite its keratin while the borders are ____ and well defined
Radiolucent corticated
79
A Simple Bone Cyst is lined with what? contents: No ____ lining, so not a True Cyst
Connective Tissue empty or fluid epithelial
80
Simple Bone Cyst may be seen as a _______aberration in normal bone remodeling or metabolism
localized
81
Enostosis = Idiopahtic focal osteosclerosis = dense bony island
True
82
What is associated with Apical Root Resorption of a vital tooth and the Perio Membrane Spce is uniform?
Enostosis/idiopathic focal osteosclerosis/DBI
83
Benign tumors spread by ____ extension, so they are NOT metastases
Direct
84
Because Benign Tumors enlarge slowly, their borders are relatively ______ and well defined and *sometimes ________
smooth *sometimes corticated
85
T/F | Benign tumors can be radiolucent, radiopaque, or mixed
True
86
The rare exception of a Benign Tumor that metastasizes: *can spread to the brain
Ameloblastoma
87
Enostosis (DBI) has apical root resorption and uniform ____ Exostosis is a Radiopacity ____ the jaw
PDL Outside
88
Homogenous, well define Radiopacity Outside the jaw:
Exostosis
89
What are the 2 lesions that have a Sunray, Speckled bone pattern
Osteogenic sarcoma Hemangioma
90
An osteoblastoma may be a well defined ______ *along with Hemangioma, it is _____
osteogenic sarcoma *sunray, speckled

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