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