Module 10

Question 1

What is the purpose of bitewing radiographs?

Answer 1

To examine the interproximal surfaces of the teeth, the proximal surfaces of restorations, and the alveolar crestal bone

Question 2

________ is the basic technique used when taking bitewings which contributes to their _______ and _______ value

Answer 2

Paralleling
Accuracy
Diagnostic

Question 3

The ________ and the ________ are both ________ and ________ teeth are visible in a bitewing radiograph

Answer 3

Crown
Alveolar crest of bone
Maxillary
Mandibular

Question 4

________ bitewings are used to assess bone levels

Answer 4

Vertical

Question 5

Vertical bitewings are needed when you suspect ________ disease, root _______, or _______ sequence

Answer 5

Periodontal
Caries
Eruption

Question 6

Vertical bitewings can be taken when a patient can’t afford an ______

Answer 6

FMX

Question 7

_______ contacts appear as _______ radiolucent lines between _______ teeth

Answer 7

Opened
Thin
Adjacent

Question 8

_______ contacts appear _______ over the contact area of an adjacent tooth

Answer 8

Overlapped

Superimposed

Question 9

When taking bitewings the patient”s _______ should be _______ to the floor

Answer 9

Chin

Parallel

Question 10

Positioning for horizontal and vertical bitewings is the ______ for ______ and ______

Answer 10

Same
Molars
Pre Molars

Question 11

For ______ positioning the bite tab is centered over the ______ of the _____ molar

Answer 11

Molar
Occlusal
First

Question 12

To be considered diagnostic the ______ portion of the film must capture the ______ half of the ______ pre molar, and the distal portion of the film must captures the _______ half of the ______ molar

Answer 12

Mesial 
Distal 
2nd
Distal
2nd

Question 13

For pre molar positioning the _______ is placed over the ______ surface of the _______

Answer 13

Bite tab
Occlusal
Pre molars

Question 14

To be _______ the ______ half of the _______ must be present in the ______ film

Answer 14

Diagnostic
Distal
Canine/Cuspid
Pre molar

Question 15

There are _____ difference film sizes available

Answer 15

5

Question 16

Size ____ is the ______ and used only for ______

Answer 16

0
Smallest
Children

Question 17

Size 1 are used to take bitewings on ______ and _____ on adults

Answer 17

Children

Anterior PA’s

Question 18

Size ____ is the ______ common size used for adult bitewings and ______ PA’s

Answer 18

2

Posterior

Question 19

Size 3 is _______, but is used for _______ bitewings because it is longer and narrower than a Size 2

Answer 19

Uncommon

Premolar/Molar

Question 20

Size _____ is large and usually only used for occlusal films

Answer 20

4

Question 21

With ________ angulation, the central ray is directed _______ to the curvature of the arch and _______ through the contact areas of the teeth

Answer 21

Horizontal
Perpendicular
Directly

Question 22

Too much horizontal angulation results in _______ contacts on the film

Answer 22

Overlapped

Question 23

With a short PID the _______ angulation is approximately ______ degrees

Answer 23

Vertical

+3

Question 24

With a long PID the vertical angulation is approximately ______ degrees

Answer 24

+6

Question 25

Vertical angulation refers to the ________ plane of the PID and requires the _______ ray to be perpendicular to the _______ and directly through the _______ of the teeth for _______ and _______ films

Answer 25

``` Up and Down Central Film Contacts Molar Pre molar ```

Question 26

A _______ degree for vertical angulation requires the PID to be _______ the occlusal plane and to be pointed _______, for a _______ degree the PID is _______ the occlusal plane and is pointed _______

Answer 26

``` Positive Above Downward Negative Below Upward ```

Question 27

Films where the contacts are ______ at the DEJ are considered ________

Answer 27

Closed | Non-Diagnostic

Question 28

What are the radiographic aids available to stabilize/position bitewing radiographs?

Answer 28

Bitetabs, Film positioning devices (Rinn), and Kwik-Bites

Question 29

The first thing you should do before taking x-rays on a patient is to _______, because it will determine how many bitewings are taken

Answer 29

Look in their mouth to see how many teeth they have

Question 30

Most adult patients require ______ bitewings

Answer 30

4

Question 31

List the 4 bitewings typically taken

Answer 31

Right molar, right pre molar, left pre molar, and left molar

Question 32

Children usually only need _____ bitewings

Answer 32

2

Question 33

What is a supplemental film?

Answer 33

Additional film that is taken to complete a diagnostic set of radiographs

Question 34

The most common need for a supplemental film is _______

Answer 34

Malpositioned teeth

Question 35

In order to open the contacts on a supplemental film you need to direct the beam to the _______ or _______ of the surface you are trying to open; this will result in _______ contacts in other places

Answer 35

Mesial Distal Overlapped

Question 36

Paralleling technique means the _______ of the tooth is _______ to the film

Answer 36

Long-axis | Parallel

Question 37

Vertical bitewings may require _______ vertical angulation is the film is _____

Answer 37

Increased | Bent