Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

D2 Fall - Radiology > 10/29: Panoramic Positioning Issues > Flashcards

10/29: Panoramic Positioning Issues Flashcards

1
Q
A

ghost of glasses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
A

ghost of earrings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
A

ghost of lead apron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
A

ghost of hairpins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
A

dentures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

when taking a pano, should they remove dental appliances such as dentures/RPD?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what are the 5 parts of proper positioning?

A

teeth and jaw are sharply depicted
slight curve to occlusal plane
no air space obstructing maxillary roots
equal magnification
no ghost image of cervical spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
A

to far forward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what happens when you are too far forward?

A

cervical spine overlaps ramus
anterior teeth are small and narrow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what happens when you are too far back?

A

anterior teeth are widen
inferior turbinates and meati are across maxillary sinuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
A

too far back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
A

too far back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

this is when you have excessive curvature on the occlusal plane

A

chin down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
A

chin down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
A

chin up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

this is when you have a flat occlusal plane, or reverse

A

chin up

17
Q

this is when you have unequal magnification of the left and right side

A

head turned

18
Q
A

head turned to right

19
Q
A

head turned left

20
Q

what happens when you are slumped?

A

cervical spine ghost is too opaque

21
Q
A

slumped

22
Q
A

tongue not on roof

23
Q
A

partial panoramic image

24
Q
A

patient moved

25
Q
A

patient moved

26
Q

what is the cause of wide anterior teeth?

A

too far back

27
Q

what causes flat occlusal plane?

A

chin up

28
Q

what causes ghost image of cervical spine?

A

slumped

29
Q

what causes a double real image of the cervical spine?

A

too far forward

30
Q

what is the distortion if teh teeth are located outside of the central plane towards the rotational center?

A

stretched wide in a horizontal direction

31
Q

the hard palate is superimposed on the maxillary roots

A

chin up

32
Q

what occurs when you are too far forward?

A

anterior teeth are narrow
doubel cervical spine image

33
Q

what occurs when you are too far back?

A

condyles are cut off
inferior turbinate and meati are on maxillary sinus
anterior teeth widened

34
Q

the rami/condyles are tipped inward in

A

chin down

35
Q

when is the hyoid superimposed on the mandible?

A

chin down

36
Q

what occurs in chin down?

A

large occlusal curve
hyoid bone superimposed on mandible
condyles are close to or cut off
rami/condyles are tipped inwards

37
Q

what occurs in chin up?

A

flat occlusal or reversed
rami/condyles tipped laterally
hard palate superimposed on maxillary apices

D2 Fall - Radiology (21 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions