week five Flashcards

(20 cards)

1
Q

unilocular lesion corticated boarders

A

lesion with a thin well demarcated radiopaque rim of bone, benign and slow growing

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2
Q

unilocular lesion noncorticated borders

A

lesion without a thin radiopaque rim of bone at the periphery appears fuzzy and poorly defined

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3
Q

multilocular radiolucent lesion

A

lesion that has multiple compartments of radiolucency like soap bubbles

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4
Q

edentulous zone

A

area without teeth

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5
Q

what is the normal width of the pdl

A

0.5 mm

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6
Q

focal opacity

A

well defined localized radiopaque lesion

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7
Q

target lesion

A

well defined localized radiopaque area surround by a uniform radiolucent halo

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8
Q

multifocal confluent pattern

A

multiple radiopacities that appear to overlap or flow together

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9
Q

what does an irregular radiopacity represent

A

malignant condition

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10
Q

ground glass opacity

A

bone appears to be pebbled, like an orange peel

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11
Q

what does a mixed lucent-opaque lesion represent

A

calcifying tumors

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12
Q

pulpal sclerosis

A

a diffuse calcification of the pulp chamber and pulp canals of teeth results in pulp cavity of decreased size

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13
Q

pulpal obliteration

A

production of secondary dentin due to any type of trauma, appears to not have pulp chamber or canals

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14
Q

pulp stones

A

round, ovoid or cylindrical calcifications found in the pulp chamber or canal

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15
Q

what is the cause of a periapical cyst and what would it look like on an x ray

A

results from pulpal death and necrosis and it is a round radiolucency at the apex of a tooth

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16
Q

what is the cause of a periapical granuloma and what would it look like on an x ray

A

pulpal death and necrosis and is the most common localized mass of chronically inflamed granulation tissue, widening of the periodontal ligament space

17
Q

what is normal alveolar crest

18
Q

how much loss for slight

19
Q

how much loss of moderate

20
Q

how much loss for severe

A

5 mm or greater