Question 1

When placing an occlusal film packet intraorally, where should the embossed identification dot be positioned?

Accepted Answer

Away from the area of interest; toward the anterior. Positioning the embossed identification dot toward the anterior should leave it out of the mouth and prevent it from interfering with the image

Question 2

Specialized image receptor holders should be used for occlusal radiographs.

Accepted Answer

A) True 
 B)False  False

Question 3

Topographical occlusal radiographs of the mandible may be taken with the head positioned the same as for maxillary topographical occlusal radiographs.

Accepted Answer

A) True 
 B)False  True

Question 4

What size image receptor is used for occlusal radiographs on most adult patients?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 5

If the patient is seated in the correct position, the recommended vertical angulation setting for a posterior mandibular topographical is 0 degrees.

Accepted Answer

A) True 
 B)False

Question 6

Correct points of entry position are determined by directing the central rays of the x-ray beam at the center of the image receptor.

Accepted Answer

A) True 
 B)False

Question 7

When imaging the maxillary arch, the white, unprinted side of the occlusal film packet will face the maxilla.

Accepted Answer

A) True 
 B)False

Question 8

When imaging the mandibular arch, the printed side of the occlusal film packet will face the mandible.

Accepted Answer

A) True 
 B)False

Question 9

Is it acceptable to recline the chair or tip the headrest back to facilitate obtaining an occlusal radiograph?

Accepted Answer

Yes. For the mandibular cross-sectional

Question 10

The cross-sectional technique produces an occlusal radiograph that resembles a large periapical radiograph.

Accepted Answer

A) True 
 B)False

Question 11

Through a point on the ala-tragus line below the outer cantus of the eye toward the center of the image receptor describes the recommended point of entry of the central ray of the x-ray beam for which of the following occlusal radiographs?

Accepted Answer

A)  Maxillary anterior topographical 
B)  Maxillary posterior topographical 
C)  Mandibular anterior topographical 
D)  Mandibular posterior topographical 
A)  Maxillary anterior topographical 
B)  Maxillary posterior topographical 
C)  Mandibular anterior topographical 
D)  Mandibular posterior topographical

Question 12

The topographical occlusal radiographic technique is similar to what technique?

Accepted Answer

A)  Paralleling 
B)  Bisecting 
C)  Bitewing 
D)  Panoramic 
A)  Paralleling 
B)  Bisecting 
C)  Bitewing 
D)  Panoramic

Question 13

Each of the following is a use of an occlusal radiograph EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Detecting incipient, interproximal caries 
B)  Locating soft tissue calcifications 
C)  Assisting in the evaluation of fractures 
D)  Revealing retained roots of extracted teeth 
A)  Detecting incipient, interproximal caries 
B)  Locating soft tissue calcifications 
C)  Assisting in the evaluation of fractures 
D)  Revealing retained roots of extracted teeth

Question 14

A vertical, zero-degree angulation is used for exposure of which occlusal radiograph?

Accepted Answer

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

Question 15

The occlusal examination may be made alone or to supplement periapical or bitewing radiographs.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following occlusal radiographs yields more information about the location of tori and impacted or malpositioned teeth and calcifications of soft tissues?

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 17

The vertical angulation used for topographical occlusal radiographs follows the rules of the bisecting technique used for periapical radiographs.

Accepted Answer

A) True 
 B)False

Question 18

Which of these statements is FALSE?

Accepted Answer

A)  Cross-sectional occlusal radiographs of the mandible are taken with the occlusal plane perpendicular to the floor. 
B)  Topographical occlusal radiographs of the mandible may be taken with the head positioned the same as for maxillary topographical occlusal radiographs. 
C)  An image receptor holder is not required for stabilization of the image receptor. 
D)  Mandibular topographical radiographs are taken with the midsaggital plane parallel to the floor. 
A)  Cross-sectional occlusal radiographs of the mandible are taken with the occlusal plane perpendicular to the floor. 
B)  Topographical occlusal radiographs of the mandible may be taken with the head positioned the same as for maxillary topographical occlusal radiographs. 
C)  An image receptor holder is not required for stabilization of the image receptor. 
D)  Mandibular topographical radiographs are taken with the midsaggital plane parallel to the floor.

Question 19

The embossed identification dot on occlusal film should be positioned toward the:

Accepted Answer

A)  anterior. 
B)  posterior. 
C)  mesial. 
D)  distal. 
A)  anterior. 
B)  posterior. 
C)  mesial. 
D)  distal.

Question 20

Can a thyroid collar be used during the occlusal radiographic exam?

Accepted Answer

Yes. It is important to use the thyroid

Exam 17: The Panoramic Examination

When placing an occlusal film packet intraorally, where should the embossed identification dot be positioned?

Specialized image receptor holders should be used for occlusal radiographs.

Topographical occlusal radiographs of the mandible may be taken with the head positioned the same as for maxillary topographical occlusal radiographs.

What size image receptor is used for occlusal radiographs on most adult patients?

If the patient is seated in the correct position, the recommended vertical angulation setting for a posterior mandibular topographical is 0 degrees.

Correct points of entry position are determined by directing the central rays of the x-ray beam at the center of the image receptor.

When imaging the maxillary arch, the white, unprinted side of the occlusal film packet will face the maxilla.

When imaging the mandibular arch, the printed side of the occlusal film packet will face the mandible.

Is it acceptable to recline the chair or tip the headrest back to facilitate obtaining an occlusal radiograph?

The cross-sectional technique produces an occlusal radiograph that resembles a large periapical radiograph.

Through a point on the ala-tragus line below the outer cantus of the eye toward the center of the image receptor describes the recommended point of entry of the central ray of the x-ray beam for which of the following occlusal radiographs?

The topographical occlusal radiographic technique is similar to what technique?

Each of the following is a use of an occlusal radiograph EXCEPT one. Which one is the EXCEPTION?

A vertical, zero-degree angulation is used for exposure of which occlusal radiograph?

The occlusal examination may be made alone or to supplement periapical or bitewing radiographs.

Which of the following occlusal radiographs yields more information about the location of tori and impacted or malpositioned teeth and calcifications of soft tissues?

The vertical angulation used for topographical occlusal radiographs follows the rules of the bisecting technique used for periapical radiographs.

Which of these statements is FALSE?

The embossed identification dot on occlusal film should be positioned toward the:

Can a thyroid collar be used during the occlusal radiographic exam?

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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