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Dental Radiography > 14-17 > Flashcards

14-17 Flashcards

1
Q

Long target film distance

A

Image sharper and less magnification

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2
Q

Paralleling technique

A

Long target image receptor destabt 12 inch to 16 inch PID

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3
Q

Bicuspid technique

A

The shorter 8 inch PID

Come and save the lack of parallel is him between the long axis of the bottom tooth and the plan of the image receptor

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4
Q

Foreshortened

A

When the vertical angulation is excessive (greater then perpendicular to the imaginary bisector) of the image will be foreshortened

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5
Q

I’ve had way too much to drink I need to be cut off

A

Decrease intake, use technique to correct foreshortened

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6
Q

How to correct for shortening?

A

Decrease the vertical angulation

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7
Q

Elongated

A

When the vertical angulation is in adequate (less than perpendicular to the imaginary bisector), the image will be elongated

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8
Q

I have a long night of drinking ahead of me I need to catch up

A

Used to correct elongation

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9
Q

How to correct elongation errors

A

Increase the vertical angulation

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10
Q

Which film is preferred on bite wings emanations

A

Number two

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11
Q

What are the disadvantages and advantages of using number three on bitewings

A

Advantages-One film is needed on each side

Disadvantages it can cause overlapping and his mirror and cannot reveal all the crestal bone level

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12
Q

Occlusal examination

A

Is to show the entire maxillary and mandible arch or positions there of on a single film
Used when large areas of the Maxilla or the mandible must be visible

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13
Q

Orientation of the image receptor occlusal technique

A

White side facing the arch that is being exposed
Receptor is placed in the mouth between the occlusal surface of the maxillary mandibul teeth
Receptor is stabilizing the patient gently bite on the surface receptor

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14
Q

Occlusal radiographs

A

2 pediatric 4adults

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15
Q

Topographic projections

A

Used to examine the pallet in the anterior teeth

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16
Q

Lateral projections

A

Used to examine the pallet of roots of molar teeth. And maybe I’ll see you to book a foreign bodies or lesions in the posterior maxilla

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17
Q

Pediatric projections

A

Used to them in the anterior teeth of the maxilla and is recommended for children under five

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18
Q

Bitewing radiographs

A

And Inzer oral radiograph it shows a crowns of both the upper and lower teeth

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19
Q

Cone cut error

A

It term used to describe a tech nique air and went to center beam is not directed toward the center of the image receptor, resulting in a blank area and I’m part of the radiographs that was not reached by radiation.. To fix move towards the cone

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20
Q

Horizontal angulation

A

Direction of central beam in a horizontal plane encourage horizontal angulation results and overlapping the proximal structures

21
Q

Paralleling technique

A

And her oral technique that place is the image receptor position parallel to the long axis of the teeth want to center beam radiation is directed perpendicularly a right angle towards both the Teeth and image receptor

22
Q

Which of these is not an answer or a radiograph

A

Panoramic

23
Q

Which radio graph is used most often to the tech proximal surface dental decay

A

Bitewing

24
Q

Where’s enter oral technique satisfies more Shadowcasting principles

A

Paralleling

25
Q

Which intraoral technique is based on the rule of iso symmetry

A

Bisecting

26
Q

Are are correct except
A)object and interceptors should be perpendicular to each other
B) object and image receptor should be as close as possible to each other
C) object should be as far as practical from the target source of radiation
D) radiation should strike the object an image receptor perpendicularly

A

A

27
Q

What is the minimal image receptor requirement for an adult full mouth series of periapical radiographs

A

14

28
Q

How many size to image receptors are required by most healthcare practices for the exposure of posterior Rady agar fee of a full mouth series

A

8

29
Q

Lining the image receptor up behind the right and left central lateral incisors to include them mesial half of the right and left canine describe the image receptor placement of which of the following periapical radiographs

A

Central incisors

30
Q

Anterior. Apical an injury such as our place in the oral cavity. Posterior periapical image receptors are placed in the oral cavity

A

Vertically and horizontally

31
Q

Where should the end boss identification .be position when taking periodical

A

Toward the Invisal or icclusal edge of the tooth

32
Q

The x-ray head to my space world from side to side to adjust a vertical angulation of the central Ray
T/f

A

F horizontal ang

33
Q

To avoid overlap air the central ray must be directed perpendicular to the curvature of the arch through the contact points of the teeth

A

T

34
Q

At what setting with the PID be pointing to the floor

A

+20

35
Q

And incorrect point of entry roll result in

A

Cone cutting

36
Q

Osseous plane parallel in mid sagittal plane perpendicular to the floor

A

T

37
Q

Full mouth series exposure

A

Maxillary anterior Mandylor interiors maxillary posteriors minimal or posters

38
Q

What Shadowcasting principle is not likely to be met when utilizing the paralleling technique

A

Object and image receptor should be as close as possible to each other

39
Q

To come and see it for the increased object image receptor distance needed to achieve parallelism the target image receptor dissension be

A

Increased

40
Q

Which of the following is not an advantage of the paralleling technique

A

Easy tech for kids

41
Q

Film holders designed for use with the paralleling technique should have

A

Long bite block and l shape

42
Q

Which can be used in both paralleling and bisecting technique

A

Supa

43
Q

Each of the following is part of the excess of old XTP holder except

A

105 degree block

44
Q

Lying the image receptor up behind the distal half of the canine to include the first and second premolar an easel half of the first more describes a placement of which of the following

A

Premolars

45
Q

To determine the horizontal angulation of the maxillary molar radiographs, and the central rays of the x-ray beam should be directed at the image receptor perpendicularly city and embraSures of the

A

First and 2nd molar

46
Q

Determine the horizontal angulation of the mandibular pre-Mohler radiograph the central rays of the x-ray beam should be directed at the image receptor perpendicularly through the embers as of the

A

First and second premolars

47
Q

Directing essential raise perpendicular to the plan of the image receptor and perpendicular to the long and axes of the teeth which step in patrolling

A

Vertical ang

48
Q

Putting out the route Apex portion of the teeth funny periapical radiograph results

A

An adequate vertical angulation

49
Q

Short target film distance

A

Divergent x-ray beam

Dental Radiography (4 decks)

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