Radiographic Interp. 7 (Pano 2)

Front 1

Smile should be a (upward/downward) curve

Back 1

upward

Front 2

The teeth should be (occluded/not occluded)

Back 2

not occluded

Front 3

True or False, both crowns and roots should be visible in Zone 1

Back 3

True

Front 4

Which zone includes the dentition?

Back 4

1

Front 5

Which zone contains the lower border of the mandible?

Back 5

3

Front 6

Which zone contains the nose and sinus?

Back 6

2

Front 7

What bone can potentially be superimposed over the mandible as a ghost? What zone would this occur in?

Back 7

hyoid, 3

Front 8

Which zone contains the TMJ?

Back 8

4

Front 9

Which zone contains the hyoid?

Back 9

6

Front 10

Which zone contains the ramus and spine?

Back 10

5

Front 11

True or False, the spine should NOT be superimposed over the ramus

Back 11

True

Front 12

The canine light should be on the (distal/mesial) of the (mandibular/maxillary) canine

Back 12

mesial, maxillary

Front 13

The light on the side of the face other than the canine light is the ___.

Back 13

horizontal light (along frankfort plane)

Front 14

If the (horizontal/canine) light is out of position, the patient is too far forward or backward

Back 14

canine

Front 15

If the teeth are too far forward, the anterior teeth appear how?

Back 15

narrow and blurred

Front 16

If the teeth are too far back, the anterior teeth appear how?

Back 16

wider and blurred

Front 17

If the patient's head is tipped down, the mandible will appear how?

Back 17

like it is 'smiling' dramatically

Front 18

If the patient's head is tipped up, the mandible will appear how?

Back 18

like it is 'frowning' dramatically

Front 19

The palate will overlap the maxillary roots most often when the patient's head is tilted (up/down)

Back 19

down

Front 20

If the mandible has a dramatic "smiling" orientation, what feature may be eliminated?

Back 20

condyle

Front 21

If the patient is slumping over, what might be superimposed on anterior region of film?

Back 21

cervical spine

Front 22

Low density and low contrast films are typically caused by errors during ___ or (over/under) exposure

Back 22

processing, under

Front 23

If the developer is too concentrated, you will get (light/dark) films

Back 23

dark

Front 24

Overexposure leads to (dark/light) films

Back 24

dark

Front 25

Screens are hydro (philic/phobic)

Back 25

hydrophilic

Front 26

Was this patient too far forward or backward?

Back 26

forward

Front 27

Is this patient too far forward or backward? (ignore the other obvious errors)

Back 27

backward

Front 28

What is the error here?

Back 28

Patient was not facing squarely in the machine

Front 29

What object caused this RO structure indicated by the purple arrow?

Back 29

lead apron

Front 30

What caused the RO object indicated by the red arrow? blue arrow?

Back 30

blue - lead apron
red - cervical spine (ghost)

Front 31

What is the error here?

Back 31

Patient was tilted to the side

Front 32

What is the error here?

Back 32

Patient's chin was DOWN

Front 33

What is the error here?

Back 33

Patient's chin too far UP

Front 34

What is the error here?

Back 34

Patient's chin too far UP

Front 35

Noting the RO blur in the middle as well as the curvature of the teeth, what 2 errors have occurred?

Back 35

Chin too far UP

Patient is slumped over

Front 36

Why is the patient's usable anatomy only in the top half of the receptor? (In other words, what went wrong to cause the extra space at the bottom half?)

Back 36

Patient was up off of the chin rest

Front 37

The green arrows are point to what air space that we do NOT want to see?

Back 37

Palatoglossal

Front 38

What spaces are indicated by the white arrow? red arrows?

Back 38

white - nasopharyngeal
red - palatoglossal

Front 39

Notice the maxillary and mandibular teeth are overlapped here. What causes this?

Back 39

Not using a bite guide

Front 40

What is the error here?

Back 40

The patient was moving during exposure

Front 41

What is the error here?

Back 41

Patient moving during exposure

Front 42

What is the RO structure here indicated by the green arrow?

Back 42

lead apron

Front 43

What is the error here?

Back 43

Patient may not have been positioned correctly (might have had shoulder on other side of cassette)

Front 44

What is the error here in red? green?

Back 44

red - napkin chain
green - cervical spine (ghost)

Front 45

What are the RO loops at the top of this image?

Back 45

glasses

Front 46

What is the little RO structure indicated by the red arrow?

Back 46

hearing aid

Front 47

This error occurred after the film was shot. What happened?

Back 47

Operator opened it in white light

Front 48

What is the error here?

Back 48

chemical contamination

Front 49

What is the error here? (notice the RO line indicated by the red arrows)

Back 49

Damaged (or defective) screen. White line indicates no reaction on film

Front 50

What is the geometric object indicated by the arrows?

Back 50

Paper

Front 51

What was not removed from the patient's mouth?

Back 51

dentures

Front 52

What is the error here?

Back 52

exposure cycle didn't finish
or
machine didn't start in the right place (home base)

Front 53

What is the error here?

Back 53

double exposure