Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

RADIO INTERPRETATION > pericoronal radiolucencies > Flashcards

pericoronal radiolucencies Flashcards

(59 cards)

Start Studying
1
Q

Pericoronal Radiolucencies

A

typically with non-erupted teeth
* Do not contain radiopaque flecks within the lumen
* May or may not contain radiopaque flecks within the lumen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pericoronal RadiolucenciesThat do not Contain Radiographic Flecks

A
  • Normal Follicular Space
  • Pericoronitis
  • Dentigerous Cyst
    – Ameloblastoma
    – Squamous cell carcinoma
  • Eruption Cyst
  • Ameloblastic Fibroma
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

dentigerous cysts may become:

A

ameolblastoma or SCCa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Pericoronal Radiolucencies
That May Contain Radiopaque Flecks

A
  • Ameloblastic Fibro-odontoma
  • Odontoameloblastoma
  • Adenomatoid Odontogenic Tumor
  • Calcifying Epithelial Odontogenic Tumor
  • Calcifying Odontogenic Cyst
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Follicular Space

normal sizes?

A
  • Remnant of dental follicle adjacent a developed crown of an unerupted or impacted tooth should be no greater
    than;
    – 3.0mm wide on panoramic image
    – 2.5mm wide on intraoral film image
    – 2.0mm on CBCT
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

is this pathological?

A

no, WNL follicle size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Pericoronitis

A
  • If dental follicle gets infected, the inflammation often
    spreads along the deep fascial planes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Pericoronitis diagnosis

A

The diagnosis must be based on evidence of pericoronal tissues, and the clinical signs and symptoms of disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

signs and symptoms of pericoronitis

A

Edematous, erythematous mucosa;
pain; fever; malaise, etc…

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

cellulitis to deep fasical planes in pericoronitis

A

Cellulitis to fascial plane deep spaces causing dramatic facial swelling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

dentigerous cyst

% jaw cysts

A

Cystic lining arises from remnants of dental follicle
Accounts for 20% of jaw cysts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Dentigerous Cyst
Radiographic

A
  • Consistently widened follicular space of >3.0mm
  • Well-delineated radiolucency with corticated borders
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

potential expansion of dentigerous cysts

A

can occur and make surgical managment much more complicated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

how can dentigerous cysts affect other teeth

A

potential for displacement of other teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

dentigerous cyst age group

A

Highest incidence in 20’s and 30’s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

most common site of dentigerous cysts

A

Most common in mandibular third molars and maxillary canines; can affect any impacted tooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

management dentigerous cysts

A

*Enucleate
*Degree of surgery dependent on size of
tumor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

potential future complications of dentigerous cysts

A

Potential for degeneration of the cyst lining to an ameloblastoma or a squamous cell carcinoma.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Eruption Cyst Clinical app

A
  • Presents as a soft fluid-filled swelling of crestal mucosa in area of an erupting tooth
  • Often has bluish coloration due to trauma creating blood in cystic fluid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Eruption Cyst Radiographic app

A

May see lack of crestal alveolar bone because of position
of erupting crown and cyst near crest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
A

likely eruption cyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Eruption Cyst
Age

A

< 10 years
mixed dentition stage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Eruption Cyst most common site

A

Most common in mandibular molar region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Eruption Cyst Management

Study These Flashcards
A
  • Often rupture spontaneously
  • Some may require simple excision
25
Ameloblastic Fibroma Clinical
A mixed odontogenic tumor
26
Ameloblastic Fibroma Radiographic app
A pericoronal radio-lucency associated with a developing tooth
27
Ameloblastic Fibroma Age
70% of cases are < 20 years Mean age 14-15.5 years
28
ameloblastic fibroma site
Highest incidence in mandibular molar- premolar region
29
Ameloblastic Fibroma Management
Enucleation
30
Ameloblastic Fibroma recurrence %
20% recurrence
31
Ameloblastic Fibro-Odontoma Clinical
A mixed odontogenic tumor, similar to ameloblastic fibroma but has a mineralized stroma If mineralization is high, then radiopaque flecks may be evident radiographically
32
Ameloblastic Fibro-Odontoma Radiographic app
Pericoronal radio-lucency associated with a developing tooth Radiopaque flecks noted in the lumen
33
Ameloblastic Fibro-Odontoma Age
Age – mean age ~15 years
34
Ameloblastic Fibro-Odontoma Site
Site – posterior mandible
35
Ameloblastic Fibro-Odontoma Must be differentiated from? why?
Must be differentiated from the odontoameloblastoma as the latter is more aggressive.
36
Odontoameloblastoma (a.k.a. ameloblastic odontoma) Clinical
Rare Must be differentiated from the ameloblastic fibro-odontoma, as it is more aggressive and requires surgical resection
37
Odontoameloblastoma (a.k.a. ameloblastic odontoma) location
mandible
38
Odontoameloblastoma (a.k.a. ameloblastic odontoma) age
children and teens
39
Odontoameloblastoma (a.k.a. ameloblastic odontoma) Radiographic app
Expansive with destruction of adjacent bone Rudimentary tooth-like structures similar to complex odontoma
40
Adenomatoid Odontogenic Tumor % of odontogenic tumors?
3-7% of odontogenic tumors
41
Adenomatoid Odontogenic Tumor Histological
Histologically a cross between a dentigerous cyst and ameloblastoma Odontogenic epithelium is arranged in duct-like glandular array (pseudoducts)
42
Adenomatoid Odontogenic Tumor Radiographic app
* Consistently widened follicular space of >3.0mm if associated with crown of impacted tooth (75% of cases are pericoronal). * Well-delineated radioluceny with corticated border, usually >3.0cm.
43
AOT lucency always pericoronal?
may not app as pericoronal as other lesions discussed, may also be non-attatched to a tooth
44
AOT age
Occur at any age but majority occur in teens (10- 19 years) and young adults (~20 -35 years)
45
AOT site
65% occur in anterior jaws Maxilla:Mandible is 2:1
46
AOt gender?
no gender predilection previously reported as female:male is 2:1
47
AOT management
Enucleation with rare recurrence
48
Calcifying Epithelial Odontogenic Tumor Clinical Approximately % occur in association with impacted teeth?
Approximately 50% occur in association with impacted teeth.
49
another name for CEOT
pindborg tumor
50
Calcifying Epithelial Odontogenic Tumor Management
Larger lesions require en bloc resections to go beyond margins, due to aggressive nature of tumor
51
Calcifying Epithelial Odontogenic Tumor Radiographic app felcks? result of?
* Radiopaque flecks are due to calcified amyloid * A breakdown product of the neoplastic epithelial cells; these mineralizations are called Leisegang’s rings multilocular common
52
Calcifying Epithelial Odontogenic Tumor Age
Mean age of 40 years
53
Calcifying Epithelial Odontogenic Tumor Site
Mandible:Maxilla is 2:1 More likely in posterior mandible
54
Calcifying Odontogenic Cyst Clinical facts * a.k.a. * variabilty? * neoplastic behavior? * sizes?
* a.k.a. Gorlin cyst * Extremely variable presentation * Approximately 2-16% behave as neoplasms * Present from 2.0-4.0cm diameter; as large as 12cm
55
Calcifying Odontogenic Cyst Radiographic app
* Vary from uni to multilocular * 50% have radiopacities in the lumen * 33% present as pericoronal radiolucencies
56
COC age
Occur at any age but majority diagnosed in teens and young adults
57
COC site
65% ant maxilla
58
COC gender?
no preference
59
COC management/ recurrence
Simple enucleation with minimal recurrence

RADIO INTERPRETATION (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions