Radiology Module 5

Question 0

What is visible on a BWX

Answer 0

Crown and alveolar crest bone of both MX and MN

Question 1

BWX-rays are primarily used to examine —- surfaces for —-
And to assess —– and evaluate
—–

Answer 1

Interproximal
Caries
Proximal surfaces of restorations
Crestal bone

Question 2

The use of the paralleling technique (while taking BWX) contributes to their —?

Answer 2

Diagnostic value/accuracy

Question 3

Alveolar bone is bone that supports and encases?

Answer 3

Roots of teeth

Question 4

What is the coronal portion of the alveolar bone called?

Answer 4

Crestal bone

Question 5

What are the 2 reasons for using vertical BWX?

Answer 5

Pts who may have periodontal disease, root caries, or I check eruption patterns
Pts who financially can’t afford a FMX but need one

Question 6

What films are perhaps the most widely exposed films?

Answer 6

BWX

Question 7

Occlusal plane should be — to floor.

Midsagital plane should be —- to floor.

Answer 7

Parallel

Perpendicular

Question 8

You can also achieve your parallel measurement by looking at the imaginary line going from the —- to the —-

Answer 8

Tragus of ear

Ala of nose

Question 9

For molar films:
The bit tab is centered over —?
Try to make sure you capture the
—- on the film as well as the molars

Answer 9

First molar

Distal of 2nd premolar

Question 10

For premolar films:
The tab should be centered over the —?
Try to get the —- on the film as well as te premolars.

Answer 10

Both premolars

Distal of canine

Question 11

Size 0 film is used for?

Answer 11

Children

Question 12

Size 1 is used for?

Answer 12

Children

Anterior PAs of adults

Question 13

Size 2 film is used for?

Answer 13

BWX and PAs for adults
And
Mixed dentition

Question 14

Size 3 film is used for?

Answer 14

BWX (pm/m combo)

Question 15

Size 4 film is used for?

Answer 15

Occlusal views

Question 16

Size 2 film is used for — and —BWX on age —– and up

But can also be used for?

Answer 16

Horizontal
Vertical
9
Anterior vertical BWX

Question 17

Size 1 film is used for age —- for

—- BWX

Answer 17

9 or younger

Horizontal

Question 18

Adults typically need — BWX

Answer 18

4

Question 19

The central ray is placed —– to the horizontal plane and is directed through the —?

Answer 19

Perpendicular

Contacts of teeth being exposed

Question 20

For a short cone the vertical angulation is approx. — to — degrees

Answer 20

Pos. 3-7

Question 21

For a long cone the vertical angulation is approx. — to —- degrees?

Answer 21

Positive 6-10

Question 22

If contacts are closed you may have to do what?

Answer 22

Take a new or supplemental film

Question 23

What 3 devices can be used to help you take BWX

Answer 23

Bite tabs
Kwik bites
Rinn-xcp

Question 24

How do you decide how many BWX the pt needs

Answer 24

Look at their mouth!!! | Always ok it with instructor first

Question 25

How can you open contacts in malpositioned teeth?

Answer 25

With supplemental film | Put horizontal angle either medial or distal to the surface that is closed off.

Question 26

If using a supplemental film you should --- the first film because?

Answer 26

Keep | The supplemental will have closed contacts as well

Question 27

If the film bends a little with vertical BWX what should you do with regards to vertical angulation

Answer 27

Increase it a little (aim tube down more)

Question 28

You may loose the ---- surface when placing a vertical molar BWX

Answer 28

Distal of 2nd premolar