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Foundations Exam 2 Oral Pathology and Radiology > Radiology Pt 2 > Flashcards

Radiology Pt 2 Flashcards

1
Q

sensor shapes and sizes

A

all different

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2
Q

PSP plates

A

much like film sensor, fit in regular film holders, easier for patient but more exposure

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3
Q

the exposure time of hard sensors

A

less exposure, but less comfortable (.1s) which leads to retakes

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4
Q

Periapical Radiograph/Views

A

includes crown, root, and 2-3 mm of bone

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5
Q

Marquette Radiographic Survey includes

A

14 periapical and 4 bitewings (18 total)

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6
Q

type of radiograph used for detection of caries and alveolar crest

A

bitewing! Interproximals must be visible to detect incipient (early) lesions/caries—patient is biting down

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7
Q

bite wing radiograph

A

used for caries and alvoeolar crest, need the interproximal spaces to be visible b/c caries starts at contact

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8
Q

where caries starts

A

contact point, thus must be able to see interproximal spaces

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9
Q

mineralization of dentin and enamel

A

dentin=63%

enamel=93%

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10
Q

pulp chamber with age

A

obliterated-lose radiolucency (darkness)

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11
Q

pulp stones

A

associated with age and or parafunctional activity (grinding)-dark grey circle apical to DEJ

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12
Q

advanced lesion

A

has passed the DEJ into the dentin-see on a radiograph

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13
Q

periapical

A

at the apex of the tooth; usually caused by pulp death; do vitality test; APICAL lamina dura

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14
Q

cause of periapical disease

A

pulp death

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15
Q

Periodontal disease

A

bone loss of supporting structure such as alveolar bone, PDL, etc. Loss is at the alveolar crest NOT at the apex

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16
Q

Radiolucent PDL

A

some interference (dark line around tooth)-early sign of pulpal pathology

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17
Q

normal alveolar crest height

A

< 2mm from the CEJ

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18
Q

Chronic Pulpal Inflammatory Disease/Rarefying Osteitis

A

NON-vital tooth—at apex, caused by pulp death; radiolucencies hard to differentiate

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19
Q

Sclerosing/condensing osteitis OR Chronic Pulpal Inflammatory Disease/Rarefying Osteitis

A

earliest sign of pulpal patho; abcess, granuloma, or cyst

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20
Q

Abcess vs granuloma vs cyst

A

cannot differentiate radiographically-use histo

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21
Q

epicenter of lesion

A

at the apex of the root/tooth for a cyst

22
Q

cyst

A

epithelial lined pathologic cavity

23
Q

fibrous healing defect

A

requires no treatment, healed with scar tissue instead of bone; appears dark

24
Q

radiopacity with no associated radiolucency

A

idiopathic osteoslcerosis-tooth is vital; just an area of dense bone

25
Q

hypercementosis

A

VITAL tooth; excess cementum; can see original root-see outline of root in cementum blob

26
Q

idiopathic osteosclerosis

A

tooth is vital; area of dense bone with no associated radiolucency

27
Q

excess cementum

A

hypercementosis-tooth trying to stabilize itself, tooth is vital; looks like dentin and cementum are one big thing but different calcification

28
Q

Periapical Osteo Dysplasia (Know this!)

A

Multiple; well defined periapical radiolucencies associated with VITAL mandibular ant teeth-Radiopacity island in radiolucency!

29
Q

well defined periapical radiolucencies associated with vital teeth- Radiopacity island

A

POD

30
Q

widespread POD

A

Florid Cemento osseous Dysplasia (FCOD)

31
Q

FCOD

A

Florid Cemento-osseous Dysplasia which is widespread PCD; lamina dura may be lost

32
Q

sclerosing osteitis

A

lamina dura lost, PDL widened, no radiolucency

33
Q

cementoblastoma

A

Vital tooth, apex of root obliterated by lesion-radiopaque lesion

34
Q

apex of root obliterated-radiopaque vital lesion

A

Cementoblastoma

35
Q

must be visible in order to detect incipient (early) caries

A

the interproximal spaces-if, not the radiograph is non-diagnostic

36
Q

Comparison of dentin and enamel radiographically

A

dentin is darker and enamel is more white b/c more radiopaque

37
Q

normal alveolar crest should be ____ from the CEJs

A

<2mm

38
Q

lamina dura lost at apex-diffuse borders; seen more lateral to apex

A

periapical abscess

39
Q

radiolucency is more circumscribed (around the apex and well defined)

A

periapical granuloma (aka radicular cyst) –these are non vital

40
Q

periapical cyst

A

well circumscribed, sclerotic border

41
Q

diffuse radiopacity at apex separated by widened pdl space

A

sclerosing osteitis (condensing)-Tooth is non vital

42
Q

vital tooth lesions (pulp is not dead)

A

dense bone island (idiopathic osteosclerosis)
Hypercementosis
Periapical cemental dysplacia
Cementoblastoma

43
Q

POD vital or nah

A

yes vital, periapical cemental dysplacia-well defined periapical radioluciencies with vital mand ant teeth

44
Q

radiopacity deposits within the radiolucency and may appear crescent shaped-lamina dura may disappear at the apex

A

FCOD, Periapical cemental dysplasia

45
Q

Vital tooth, apex of root obliterated by lesion

A

cementoblastoma-true cementoma

46
Q

inflammation of the gingival mucosa-NOT evident radiographically

A

gingivitis

47
Q

inflammation of the supporting bone-first radiographic evidence is at the alveolar crest; local or systemic etiology

A

periodontitis

48
Q

periodontitis

A

inflammation of the supporting bone-first radiographic evidence is at the alveolar crest; local or systemic etiology

49
Q

gingivitis

A

inflammation of the gingival mucosa-NOT evident radiographically

50
Q

Spur type calculus

A

small spur shape radiopacity sticking of tooth

Foundations Exam 2 Oral Pathology and Radiology (6 decks)

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