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D2 Fall - Radiology > 10/15: Occlusal Radiology > Flashcards

10/15: Occlusal Radiology Flashcards

1
Q
A

maxilla cross section

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2
Q
A

max cross-section

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3
Q
A

max cross-section

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4
Q
A

max lateral cross

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5
Q
A

max top

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6
Q
A

max top

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7
Q
A

max top

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8
Q
A

mand cross

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9
Q
A

mand lateral

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10
Q
A

mand lateral

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11
Q
A

mand top

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12
Q
A

lateral cephalogram

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13
Q
A

lateral cephalometric

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14
Q
A

PA skull

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15
Q
A

waters’ skull

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16
Q
A

submentovertex

17
Q

What are the film PSPP sizes?

A

0
1
2
4

18
Q

What happens if you expose a PSP to light and then take an X-ray?

A

X-ray will turn out darker

19
Q

What are the indications/advantages to using Occlusal radiographs?

A

Hard to open jaw
Larger segments of jaw to be examined

20
Q

What are the types of occlusal radiographs?

A

Cross-section
Lateral cross-section
Anterior topographical

21
Q

When taking a cross-section of the maxilla, what should you have?

A

65-70 degree
Bridge of nose

22
Q

When taking a lateral cross-section of the maxilla, what should you have?

A

55-60 degree
Posterior maxilla

23
Q

When taking the anterior topographical of the maxilla, what should you have?

A

55-60 degree
¼ to ½ in above tip of nose

24
Q

When taking a cross-sectional of the mand, what should you have?

A

Perpendicular to plate
Between mand molars

25
Q

What should the occlusal exposure settings be?

A

1 or 2 settings higher than PA maxillary

26
Q

What should you do for pediatric occlusal radiographs?

A

Same protocol
Use size 2

27
Q

This is use as an image enhancer to reduce amount of radiation scatter in skull radiographs

A

Grid

28
Q

This is when you are facing sideways against the grid

A

Lateral cephalogram

29
Q

What is the difference between a cephalogram and a cephalometric radiograph?

A

Cephalometric = soft tissues
It is a fixed distance

30
Q

This is used for taking measurements and evaluating the effect of growth or disease on a skeletal profile

A

Lateral cephalometric radiograph

31
Q

What is the standard focal distance for lateral cephalometric?

A

60 in

32
Q

This is best used for orthodontic and orthognathic surgical treatment

A

Lateral cephalometric radiograph

33
Q

This is a posterior to anterior skull radiograph. Facing the grid

A

PA Skull

34
Q

Can you see the sphenoid sinus in the PA skull?

A

No

35
Q

This is when you’re facing the grid with your chin up

A

Water (occipitomental) skull

36
Q

This is when you’re facing towards the beam with your chin up

A

Submentovertex skull radiograph

D2 Fall - Radiology (21 decks)

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