Module 10 Flashcards

1
Q

What is the purpose of bitewing radiographs?

A

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

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2
Q

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

A

Paralleling
Accuracy
Diagnostic

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3
Q

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

A

Crown
Alveolar crest of bone
Maxillary
Mandibular

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4
Q

________ bitewings are used to assess bone levels

A

Vertical

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5
Q

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

A

Periodontal
Caries
Eruption

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6
Q

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

A

FMX

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7
Q

_______ contacts appear as _______ radiolucent lines between _______ teeth

A

Opened
Thin
Adjacent

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8
Q

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

A

Overlapped

Superimposed

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9
Q

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

A

Chin

Parallel

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10
Q

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

A

Same
Molars
Pre Molars

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11
Q

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

A

Molar
Occlusal
First

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12
Q

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

A
Mesial 
Distal 
2nd
Distal
2nd
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13
Q

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

A

Bite tab
Occlusal
Pre molars

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14
Q

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

A

Diagnostic
Distal
Canine/Cuspid
Pre molar

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15
Q

There are _____ difference film sizes available

A

5

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16
Q

Size ____ is the ______ and used only for ______

A

0
Smallest
Children

17
Q

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

A

Children

Anterior PA’s

18
Q

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

A

2

Posterior

19
Q

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

A

Uncommon

Premolar/Molar

20
Q

Size _____ is large and usually only used for occlusal films

A

4

21
Q

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

A

Horizontal
Perpendicular
Directly

22
Q

Too much horizontal angulation results in _______ contacts on the film

A

Overlapped

23
Q

With a short PID the _______ angulation is approximately ______ degrees

A

Vertical

+3

24
Q

With a long PID the vertical angulation is approximately ______ degrees

A

+6

25
Q

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

A
Up and Down
Central
Film
Contacts
Molar
Pre molar
26
Q

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 _______

A
Positive
Above
Downward
Negative
Below
Upward
27
Q

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

A

Closed

Non-Diagnostic

28
Q

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

A

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

29
Q

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

A

Look in their mouth to see how many teeth they have

30
Q

Most adult patients require ______ bitewings

A

4

31
Q

List the 4 bitewings typically taken

A

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

32
Q

Children usually only need _____ bitewings

A

2

33
Q

What is a supplemental film?

A

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

34
Q

The most common need for a supplemental film is _______

A

Malpositioned teeth

35
Q

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

A

Mesial
Distal
Overlapped

36
Q

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

A

Long-axis

Parallel

37
Q

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

A

Increased

Bent