Question 1

If the image receptor holder is not positioned precisely, the resultant image may be undiagnostic.

Accepted Answer

A) True 
 B)False  True

Question 2

Which of the following image receptor sizes would necessitate that only two bitewing radiographs be exposed?

Accepted Answer

A)  Size #0 
B)  Size #1 
C)  Size #2 
D)  Size #3 
A)  Size #0 
B)  Size #1 
C)  Size #2 
D)  Size #3 D

Question 3

Which of the following statements is FALSE?

Accepted Answer

A)  Malaligned teeth may necessitate the exposure of additional bitewing radiographs. 
B)  Bitewing radiographs are not required if a full mouth series of periapical radiographs is available. 
C)  When patients present with edentulous areas, bitewing radiographs may not be needed. 
D)  Children with mixed dentitions may not need bitewings if a visual inspection of the proximal surfaces is possible. 
A)  Malaligned teeth may necessitate the exposure of additional bitewing radiographs. 
B)  Bitewing radiographs are not required if a full mouth series of periapical radiographs is available. 
C)  When patients present with edentulous areas, bitewing radiographs may not be needed. 
D)  Children with mixed dentitions may not need bitewings if a visual inspection of the proximal surfaces is possible. B

Question 4

Which two angulations are critical to producing quality bitewing radiographs?

Accepted Answer

Horizontal and vertical angulations. Hor

Question 5

Using an image receptor holder with an external aiming device will most likely eliminate what error?

Accepted Answer

A)  Overlapping 
B)  Unequal distribution of arches recorded 
C)  Cone cutting 
D)  Incorrect placement of the image receptor 
A)  Overlapping 
B)  Unequal distribution of arches recorded 
C)  Cone cutting 
D)  Incorrect placement of the image receptor

Question 6

The size #3 image receptor has two advantages over a size #2 image receptor when exposing a bitewing radiograph.

Accepted Answer

A) True 
 B)False

Question 7

Sometimes there is a need to expose more than four bitewing radiographs on an individual patient.

Accepted Answer

A) True 
 B)False

Question 8

What type of error results when the image receptor is not centered within the x-ray beam?

Accepted Answer

Conecut error. Incorrect point

Question 9

A periodontally involved patient would benefit more from vertical bitewing radiographs than traditionally placed bitewing radiographs.

Accepted Answer

A) True 
 B)False

Question 10

Each of the following statements regarding preparations for bitewing exams is correct EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  The dental x-ray machine should be turned on and the exposure setting selected prior to placing the image receptor intraorally. 
B)  The radiographic procedure should be explained to the patient prior to beginning the exposures. 
C)  The patient's head should be positioned with the mean tangent parallel to the floor. 
D)  The patient should be asked to remove eyeglasses and all intraoral appliances prior to placement of the image receptor. 
A)  The dental x-ray machine should be turned on and the exposure setting selected prior to placing the image receptor intraorally. 
B)  The radiographic procedure should be explained to the patient prior to beginning the exposures. 
C)  The patient's head should be positioned with the mean tangent parallel to the floor. 
D)  The patient should be asked to remove eyeglasses and all intraoral appliances prior to placement of the image receptor.

Question 11

For bitewing radiographs, the image receptor is placed near and almost parallel to the teeth of both arches while the patient holds the mouth in an open position.

Accepted Answer

A) True 
 B)False

Question 12

The name bitewing is descriptive.

Accepted Answer

A) True 
 B)False

Question 13

The smallest available image receptor should be used to take bitewings on the child patient.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is most likely to result in a retake of a bitewing radiograph?

Accepted Answer

A)  The patient maintained a steady pressure on the bite tab. 
B)  The patient swallowed during the exposure. 
C)  There are no large tori or severely malpositioned teeth. 
D)  The top edge of the image receptor did not contact the lingual gingiva. 
A)  The patient maintained a steady pressure on the bite tab. 
B)  The patient swallowed during the exposure. 
C)  There are no large tori or severely malpositioned teeth. 
D)  The top edge of the image receptor did not contact the lingual gingiva.

Question 15

When a class II occlusal relationship presents, the anterior edge of the image receptor should be positioned behind the distal half of the maxillary canine for a premolar bitewing.

Accepted Answer

A) True 
 B)False

Question 16

Anterior bitewings should be exposed using a vertical angulation of +20 degrees.

Accepted Answer

A) True 
 B)False

Question 17

For an adult horizontal premolar bitewing, position the image receptor so that the anterior edge lines up:

Accepted Answer

A)  behind the distal half of the canine. 
B)  between the first and second premolars. 
C)  behind the distal half of the first premolar. 
D)  in front of the mesial half of the second premolar. 
A)  behind the distal half of the canine. 
B)  between the first and second premolars. 
C)  behind the distal half of the first premolar. 
D)  in front of the mesial half of the second premolar.

Question 18

What size image receptor is used for bitewing radiographs on a child with primary teeth?

Accepted Answer

Size #0 or size #1. The prefer

Question 19

What is the orientation of a traditionally placed bitewing radiograph in the posterior regions?

Accepted Answer

Traditionally, the i

Question 20

Because the proximal surfaces of the molars are in a buccolingual relationship to the patient's sagittal plane, conventional image receptor placement parallel to the buccal surfaces of the molars often results in overlapping of the contact area and closure of the embrasure spaces.

Accepted Answer

A) True 
 B)False

Exam 16: The Occlusal Examination

If the image receptor holder is not positioned precisely, the resultant image may be undiagnostic.

Which of the following image receptor sizes would necessitate that only two bitewing radiographs be exposed?

Which of the following statements is FALSE?

Which two angulations are critical to producing quality bitewing radiographs?

Using an image receptor holder with an external aiming device will most likely eliminate what error?

The size #3 image receptor has two advantages over a size #2 image receptor when exposing a bitewing radiograph.

Sometimes there is a need to expose more than four bitewing radiographs on an individual patient.

What type of error results when the image receptor is not centered within the x-ray beam?

A periodontally involved patient would benefit more from vertical bitewing radiographs than traditionally placed bitewing radiographs.

Each of the following statements regarding preparations for bitewing exams is correct EXCEPT one. Which one is the EXCEPTION?

For bitewing radiographs, the image receptor is placed near and almost parallel to the teeth of both arches while the patient holds the mouth in an open position.

The name bitewing is descriptive.

The smallest available image receptor should be used to take bitewings on the child patient.

Which of the following is most likely to result in a retake of a bitewing radiograph?

When a class II occlusal relationship presents, the anterior edge of the image receptor should be positioned behind the distal half of the maxillary canine for a premolar bitewing.

Anterior bitewings should be exposed using a vertical angulation of +20 degrees.

For an adult horizontal premolar bitewing, position the image receptor so that the anterior edge lines up:

What size image receptor is used for bitewing radiographs on a child with primary teeth?

What is the orientation of a traditionally placed bitewing radiograph in the posterior regions?

Because the proximal surfaces of the molars are in a buccolingual relationship to the patient's sagittal plane, conventional image receptor placement parallel to the buccal surfaces of the molars often results in overlapping of the contact area and closure of the embrasure spaces.

Dental Radiography: Historical Perspective and Future Trends

Characteristics and Measurement of Radiation

The Dental X-Ray Machine: Components and Function

Factors Affecting Radiographic Quality

Effects of Radiation Exposure

Radiation Protection

Dental X-Ray Film and Processing Methods

Digital Radiography and Image Acquisition

Infection Control

Legal and Ethical Responsibilities

Patient Relations and Education

Introduction to Radiographic Examinations

The Periapical Examinationparalleling Technique

The Periapical Examinationbisecting Technique

The Bitewing Examination

The Panoramic Examination

Identifying and Correcting Undiagnostic Radiographs

Quality Control and Environmental Safety in Dental Radiography

Image Orientation and Introduction to Interpretation

Recognizing Normal Radiographic Anatomy Intraoral Radiographs

Recognizing Normal Radiographic Anatomy Panoramic Radiographs

Radiographic Appearance of Dental Materials and Foreign Objects

The Use of Radiographs in the Detection of Dental Caries

The Use of Radiographs in the Evaluation of Periodontal Diseases

Describing Radiographic Anomalies, Lesions, and Opportunistic Screening

Pediatric Radiographic Techniques

Radiographic Techniques for Patients With Special Needs

Radiographic Techniques for Specific Oral Conditions

Radiographic Techniques

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