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Patient Care Exam 2 > 9/28: Radiology > Flashcards

9/28: Radiology Flashcards

1
Q

How many radiographs are in a full mouth survey?

A

20

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2
Q

How many PAs in a full mouth survey?

A

16

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3
Q

How many bitewings in a full mouth survey?

A

4

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4
Q

What does PA stand for?

A

Periapical

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5
Q

What is a PA radiograph?

A

image that captures the outline of the entire crown and the entire root anatomy >2.0mm of alveolar

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6
Q

Where is the receptor placed during a PA?

A

-parallel to B and Li planes of lateral incisor
-receptors parallels long axis of lateral incisor
-incisor is within middle two 1/4s of mesiodistal width
-horizontal angle directed through mesial contact of lateral incisor

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7
Q

What do bitewing radiographs show?

A

-interproximal contact areas without overlapping (“open contacts”)
-detect interproximal caries
-crestal alveolar bone levels

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8
Q

What is the brief description of an incisive foramen?

A

round/oval

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9
Q

Is the incisive foramen radiolucent/radiopaque?

A

Radiolucent

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10
Q

What is the periapical of a incisive foramen?

A

Central incisor

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11
Q

Is the incisive foramen bilateral or unilateral?

A

Unilateral

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12
Q

What is the alternate name of a incisive foramen?

A

Nasopalatine foramen

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13
Q
A

Incisive foramen

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14
Q

What is a brief description of a lingual foramen?

A

Pinpoint duct

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15
Q

Is a lingual foramen radiolucent/radiopaque?

A

Radiolucent

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16
Q

What is the periapical of a lingual foramen?

A

Central incisor

17
Q

Is the lingual foramen bilateral or unilateral?

A

BIlateral

18
Q
A

Lingual foramen

19
Q

What is Radiolucent?

A

Materials are those that are not dense enough to keep x-rays from shining through them and so look “clear” on an x-ray

20
Q

What is opaque?

A

Materials that are dense enough to resist x-rays shining through them, and so can be seen on an x-ray

21
Q

What is the ADA’s standard for viewing and interpreting intraoral radiographic images?
A. Labial mounting
B. Lingual mounting
C. Patient orientation
D. External orientation

A

A. Labial mounting

22
Q

Structures that appear radiopaque on radiographic images _______________.
A. allow passage of x-rays
B. absorb x-ray beam energy
C. represent openings in bone
D. appear as dark or black areas

A

B. absorb x-ray beam energy

23
Q

What does a periapical x-ray show?

A

your entire tooth, from the crown to the root tip

24
Q

What type of x-ray is interpxoimal?

A

Bite wing - we are looking for decay

Patient Care Exam 2 (5 decks)

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