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RADIO INTERPRETATION > PA opacities > Flashcards

PA opacities Flashcards

1
Q

Periapical Radiopacities

A
  • Periapical sclerosing osteitis
  • Idiopathic Osteosclerosis
  • Periapical Cemento-osseous Dysplasia
  • Focal Cemento-osseous Dysplasia
  • Cementoblastoma
  • Hypercementosis
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2
Q

PA sclerosing osteitis is the same as what other term

A

condensing osteitis

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3
Q

Periapical Sclerosing Osteitis/ Condensing Osteitis
* Apex of?
* inflam?
* bone?
* May app as?
* symptoms?

A
  • Apex of non-vital tooth
  • Chronic inflammatory process
  • Reactive bone deposition
  • May be apical radiolucency
  • Often asymptomatic
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4
Q

condesing osteitis margins

A

often ill defined

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5
Q

what could this be?

A

PA sclerosing osteitis

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6
Q

what is this?

A

condensing osteitis/PA sclerosing osteitis

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7
Q

osteosclerosis
* etiology?
* many or one?
* symptoms? expansion?
* location?
* tooth?

A
  • Unknown etiology
  • Usually solitary
  • Painless, non-expansile
  • Mandible – premolar/molar region
  • Vital tooth
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8
Q

osteosclerosis compared to PA sclerosing osteitis

A

better defined margins and more consistent density in the interior

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9
Q

likely dx?

A

osteosclerosis, no PDL widening

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10
Q
A

osteosclerosis

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11
Q
A

osteosclerosis

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12
Q

osteosclerosis may cause?

A

ERR

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13
Q

Fibro-Osseous Lesions

A

Periapical Cemento-Osseous Dysplasia
Focal Cemento-Osseous Dysplasia
Florid Cemento-Osseous Dysplasia

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14
Q

PA COD
* etiology?
* mainly involves?
* stages of development?
* limited?
*demo?

A
  • etiology unknown
  • mainly involves lower incisors
  • 3 stages of development
  • self-limiting condition
  • middle-aged African American, Asian females
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15
Q

early stage PA COD

A

entirely lucent, may be mistaken for a inflamm lesion, do vitality testing

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16
Q

PA COD
 Most common where?
 Single or multiple lesions?
 dif appearences possible?
 margins?
 rim?
 Lamina dura?
 Larger lesions may?
 Teeth vitality?

A

 Most common in anterior mandible
 Single or multiple lesions
 Radiolucent, mixed, radiopaque
 Well-defined margins
 Radiolucent rim with possible sclerotic border
 Lamina dura discontinuous
 Larger lesions may expand cortex
 Teeth vital

17
Q
18
Q
19
Q

PA COD tx?

20
Q

focal COD
* one or many?
* Most common where?
* appearences?
* Most common appearance?
* May progress to ?

A
  • Solitary lesion
  • Most common in posterior mandible
  • Radiolucent, mixed, radiopaque
  • Most common appearance: mixed lucent/opaque
  • May progress to more widespread form
21
Q

which fibro-osseous lesion

22
Q

What may be associated
with some cemento-osseous dysplasia lesions?

A

Traumatic bone cysts may be associated
with some cemento-osseous dysplasia
lesions.

23
Q

Cementoblastoma
* ages?
* gender?
* common locations?
* many/one? expansion?
* appearence?
* Attached to? causes?
* tooth? symptoms?

A
  • Wide age range; young adults
  • Males > Females
  • Mandibular premolar, first molar
  • Solitary lesion; expansile
  • Radiopaque or mixed density with radiolucent rim
  • Attached to root; external root resorption
  • Vital tooth; often painful
24
Q
A

cementoblastoma or focal COD

25
Q
A

cementoblastoma or focal COD

26
Q

what lesion is most likely

A

cementoblastoma, expansion occurring

27
Q

Hypercementosis
* Etiology?
* root shape?
* PDL/ LD
* Teeth vitality?

A
  • Etiology unknown
  • Bulbous-shaped roots
  • Intact PDL space, lamina dura
  • Teeth are vital
28
Q
A

hypercementosis

29
Q
A

hypercementosis

RADIO INTERPRETATION (18 decks)

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