Question 1

Is a short or a long PID recommended for use in occlusal radiography?

Accepted Answer

A short, 8

Question 2

Which of the following statements is correct?

Accepted Answer

A)  Topographical occlusal radiographs yield a greater amount of information in the alveolar crest and apical areas than periapical radiographs. 
B)  Topographical occlusal radiographs may be exposed only on the maxillary arch. 
C)  Cross-sectional occlusal radiographs work best to image the maxilla. 
D)  Topographical occlusal radiographs cannot be used on children. 
A)  Topographical occlusal radiographs yield a greater amount of information in the alveolar crest and apical areas than periapical radiographs. 
B)  Topographical occlusal radiographs may be exposed only on the maxillary arch. 
C)  Cross-sectional occlusal radiographs work best to image the maxilla. 
D)  Topographical occlusal radiographs cannot be used on children.

Question 3

If the image receptor is not placed in the mouth with at least 1/4 inch (1/2 cm) protruding outside, the result will be cone cutting.

Accepted Answer

A) True 
 B)False

Question 4

The identification dot on an occlusal film should be placed toward the posterior to the oral cavity.

Accepted Answer

A) True 
 B)False

Question 5

A cross-sectional occlusal radiograph will significantly distort the image of the teeth, producing an image of the teeth that appear circular or elliptical.

Accepted Answer

A) True 
 B)False

Question 6

If the patient is seated in the correct position, the vertical angulation for a mandibular cross-sectional occlusal radiograph will most likely be set at 0 degrees.

Accepted Answer

A) True 
 B)False

Question 7

If the patient's head is in correct position, predetermined vertical angulations and points of entry may be used.

Accepted Answer

A) True 
 B)False

Question 8

The patient's head should be reclined and the chin tipped upward for which occlusal projection?

Accepted Answer

A)  Maxillary anterior topographical 
B)  Maxillary posterior topographical 
C)  Mandibular posterior topographical 
D)  Mandibular cross-sectional 
A)  Maxillary anterior topographical 
B)  Maxillary posterior topographical 
C)  Mandibular posterior topographical 
D)  Mandibular cross-sectional

Question 9

The horizontal angulation for topographical occlusal radiographs is determined by directing the central rays at the image receptor perpendicularly through the teeth embrasures (spaces).

Accepted Answer

A) True 
 B)False

Question 10

What type of image receptor holder is used for occlusal radiography?

Accepted Answer

An image receptor holder is no

Question 11

A 16-inch (41-cm) PID should be used for the occlusal radiographic exam.

Accepted Answer

A) True 
 B)False

Question 12

Each of the following statements regarding orientation of the occlusal radiographic image receptor is correct EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  If using film, the white side must face the arch of interest. 
B)  The image receptor must be placed in the mouth with the long dimension horizontal. 
C)  The image receptor should protrude from the mouth about ¼ inch. 
D)  If using film, the embossed dot should be positioned toward the anterior. 
A)  If using film, the white side must face the arch of interest. 
B)  The image receptor must be placed in the mouth with the long dimension horizontal. 
C)  The image receptor should protrude from the mouth about ¼ inch. 
D)  If using film, the embossed dot should be positioned toward the anterior.

Question 13

What are the recommended exposure settings for occlusal radiographs?

Accepted Answer

Occlusal radiographs are place

Question 14

Assuming that the patient's head is in the correct position, which of the following is the correct vertical angulation setting for a maxillary anterior topographical occlusal radiograph?

Accepted Answer

A)  +65 degrees 
B)  +45 degrees 
C)  -55 degrees 
D)  -45 degrees 
A)  +65 degrees 
B)  +45 degrees 
C)  -55 degrees 
D)  -45 degrees

Question 15

Occlusal radiographs can be placed and exposed in five regions of the oral cavity.

Accepted Answer

A) True 
 B)False

Question 16

Assuming that the patient's head is in the correct position, which of the following is the correct vertical angulation setting for a maxillary posterior topographical occlusal radiograph?

Accepted Answer

A)  +65 degrees 
B)  +45 degrees 
C)  -55 degrees 
D)  -45 degrees 
A)  +65 degrees 
B)  +45 degrees 
C)  -55 degrees 
D)  -45 degrees

Question 17

Determining the vertical angulation for exposure of a cross-sectional occlusal radiograph is assisted by positioning the open end of the PID parallel to the external aiming device of the image receptor holder.

Accepted Answer

A) True 
 B)False

Question 18

A vertical +65-degree angulation is used for which occlusal radiograph?

Accepted Answer

A)  Maxillary anterior topographical 
B)  Maxillary posterior topographical 
C)  Mandibular posterior topographical 
D)  Mandibular cross-sectional 
A)  Maxillary anterior topographical 
B)  Maxillary posterior topographical 
C)  Mandibular posterior topographical 
D)  Mandibular cross-sectional

Question 19

How is the image receptor positioned to expose an occlusal radiograph?

Accepted Answer

The white, unprinted side (if using film

Question 20

Which of the following statements is correct?

Accepted Answer

A)  Occlusal radiographs have some amount of dimensional distortion. 
B)  The occlusal technique is similar to the paralleling technique. 
C)  Occlusal films should be inserted completely into the oral cavity. 
D)  An image receptor holder will allow for correct positioning of occlusal radiographs. 
A)  Occlusal radiographs have some amount of dimensional distortion. 
B)  The occlusal technique is similar to the paralleling technique. 
C)  Occlusal films should be inserted completely into the oral cavity. 
D)  An image receptor holder will allow for correct positioning of occlusal radiographs.

Exam 17: The Panoramic Examination

Is a short or a long PID recommended for use in occlusal radiography?

Which of the following statements is correct?

If the image receptor is not placed in the mouth with at least 1/4 inch (1/2 cm) protruding outside, the result will be cone cutting.

The identification dot on an occlusal film should be placed toward the posterior to the oral cavity.

A cross-sectional occlusal radiograph will significantly distort the image of the teeth, producing an image of the teeth that appear circular or elliptical.

If the patient is seated in the correct position, the vertical angulation for a mandibular cross-sectional occlusal radiograph will most likely be set at 0 degrees.

If the patient's head is in correct position, predetermined vertical angulations and points of entry may be used.

The patient's head should be reclined and the chin tipped upward for which occlusal projection?

The horizontal angulation for topographical occlusal radiographs is determined by directing the central rays at the image receptor perpendicularly through the teeth embrasures (spaces).

What type of image receptor holder is used for occlusal radiography?

A 16-inch (41-cm) PID should be used for the occlusal radiographic exam.

Each of the following statements regarding orientation of the occlusal radiographic image receptor is correct EXCEPT one. Which one is the EXCEPTION?

What are the recommended exposure settings for occlusal radiographs?

Assuming that the patient's head is in the correct position, which of the following is the correct vertical angulation setting for a maxillary anterior topographical occlusal radiograph?

Occlusal radiographs can be placed and exposed in five regions of the oral cavity.

Assuming that the patient's head is in the correct position, which of the following is the correct vertical angulation setting for a maxillary posterior topographical occlusal radiograph?

Determining the vertical angulation for exposure of a cross-sectional occlusal radiograph is assisted by positioning the open end of the PID parallel to the external aiming device of the image receptor holder.

A vertical +65-degree angulation is used for which occlusal radiograph?

How is the image receptor positioned to expose an occlusal radiograph?

Which of the following statements is correct?

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 Occlusal 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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