Question 1

Name an image receptor holder designed for the paralleling technique that does not have an external aiming device.

Accepted Answer

The Dentsply Rinn Stabe and the Flow Dental SUPA image receptor holders designed for the paralleling technique do not have an external aiming device

Question 2

The use of the paralleling technique is ideal with adult patients with a small mouth or shallow palatal vault.

Accepted Answer

A) True 
 B)False  False

Question 3

Image receptors with an external aiming device eliminate radiographic technique errors.

Accepted Answer

A) True 
 B)False  False

Question 4

Which image receptor placement is most likely to be more comfortable and allow the patient to become accustomed to the procedure?

Accepted Answer

A)   Maxillary anteriors
B)   Maxillary posteriors
C)   Mandibular posteriors
D)   Posterior bitewings

Question 5

What is the most likely reason that overlapping occurs even if the image receptor is correctly positioned parallel to the teeth of interest and the central ray is accurately directed through the appropriate embrasure?

Accepted Answer

The answer of What is the most likely reason that...

Question 6

The Dentsply Rinn XCP image receptor holder is designed for use with the paralleling technique.

Accepted Answer

A) True 
 B)False

Question 7

Incorrectly aligning the point of entry will result in what type of error?

Accepted Answer

The answer of Incorrectly aligning the point of entry will...

Question 8

Which of the following is NOT an advantage of the paralleling technique?

Accepted Answer

A)   It is ideal for positioning radiographs for children.
B)   It minimizes superimposition of adjacent structures.
C)   It produces images with minimal dimensional distortion.
D)   With appropriate image receptor-holding devices, it takes less time than trying to locate the position of an imaginary bisector.

Question 9

If using an image receptor holder with an external aiming device, the <KT>indicator ring attachment must be slid all the way down the metal arm of the device to be as close to the patient's skin as possible without touching the patient prior to the exposure.

Accepted Answer

A) True 
 B)False

Question 10

What are two image receptor holders that with slight modifications can be used for either the paralleling or the bisecting technique?

Accepted Answer

The answer of What are two image receptor holders that...

Question 11

Because of the supporting structures on the maxillary arch, to accomplish a parallel relationship between the image receptor and the long axes of teeth, the image receptor must be placed closer to the teeth.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is a basic principle of the paralleling technique?

Accepted Answer

A)   The image receptor is placed perpendicular to the long axes of the teeth.
B)   The central ray of the x-ray beam is directed parallel to both the teeth and the recording plane of the image receptor.
C)   The image receptor is placed parallel to the long axes of the teeth.
D)   The central ray of the x-ray beam is directed perpendicular to an imaginary bisector.

Question 13

The principles of the paralleling technique include each of the following EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)   The image receptor is placed parallel to the long axis of the tooth of interest.
B)   The central ray of the x-ray beam is directed perpendicular to the tooth and to the image receptor.
C)   The central ray of the x-ray beam is directed at a plane halfway between the long axis of the tooth and the long axis of the image receptor.
D)   Parallel placement of the image receptor is accomplished using an image receptor holder.

Question 14

An image receptor holder with an external aiming device can make radiographic errors less likely.

Accepted Answer

A) True 
 B)False

Question 15

The Dentsply Rinn Stabe and the Flow Dental SUPA image receptor holders designed for the paralleling technique do not have an external aiming device.

Accepted Answer

A) True 
 B)False

Question 16

When using an image receptor holder with an external aiming device, the patient's head does not need to be precisely positioned.

Accepted Answer

A) True 
 B)False

Question 17

With the paralleling technique, the central ray is directed perpendicular to the long axes of the teeth and the plane of the image receptor.

Accepted Answer

A) True 
 B)False

Question 18

To compensate for the increased object-image receptor distance needed to achieve parallelism, the target-surface receptor distance should be increased.

Accepted Answer

A) True 
 B)False

Question 19

If an image receptor holder has an external aiming device, then the patient must be seated upright with the head straight.

Accepted Answer

A) True 
 B)False

Question 20

Which of these statements is FALSE?

Accepted Answer

A)   The paralleling technique does not meet all five shadow-casting principles in all regions of the oral cavity on all patients.
B)   With the paralleling technique, it is not possible to direct the central rays of the x-ray beam to both the tooth and the image receptor simultaneously.
C)   The paralleling technique is the technique of choice for obtaining periapical radiographs.
D)   With the paralleling technique, the object and image receptor are positioned parallel to each other.

Exam 14: The Periapical Examinationbisecting Technique

Name an image receptor holder designed for the paralleling technique that does not have an external aiming device.

The use of the paralleling technique is ideal with adult patients with a small mouth or shallow palatal vault.

Image receptors with an external aiming device eliminate radiographic technique errors.

Which image receptor placement is most likely to be more comfortable and allow the patient to become accustomed to the procedure?

What is the most likely reason that overlapping occurs even if the image receptor is correctly positioned parallel to the teeth of interest and the central ray is accurately directed through the appropriate embrasure?

The Dentsply Rinn XCP image receptor holder is designed for use with the paralleling technique.

Incorrectly aligning the point of entry will result in what type of error?

Which of the following is NOT an advantage of the paralleling technique?

If using an image receptor holder with an external aiming device, the <KT>indicator ring attachment must be slid all the way down the metal arm of the device to be as close to the patient's skin as possible without touching the patient prior to the exposure.

What are two image receptor holders that with slight modifications can be used for either the paralleling or the bisecting technique?

Because of the supporting structures on the maxillary arch, to accomplish a parallel relationship between the image receptor and the long axes of teeth, the image receptor must be placed closer to the teeth.

Which of the following is a basic principle of the paralleling technique?

The principles of the paralleling technique include each of the following EXCEPT one. Which one is the EXCEPTION?

An image receptor holder with an external aiming device can make radiographic errors less likely.

The Dentsply Rinn Stabe and the Flow Dental SUPA image receptor holders designed for the paralleling technique do not have an external aiming device.

When using an image receptor holder with an external aiming device, the patient's head does not need to be precisely positioned.

With the paralleling technique, the central ray is directed perpendicular to the long axes of the teeth and the plane of the image receptor.

To compensate for the increased object-image receptor distance needed to achieve parallelism, the target-surface receptor distance should be increased.

If an image receptor holder has an external aiming device, then the patient must be seated upright with the head straight.

Which of these statements is FALSE?