Question 1

A minimum of how many periapical radiographs should make up a full mouth survey for most adult patients?

Accepted Answer

A)  10 
B)  12 
C)  14 
D)  16 
A)  10 
B)  12 
C)  14 
D)  16

Question 2

Each of the following is standard placement for a full mouth series of periapical radiographs using a size #2 image receptor on an adult patient EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

A)  Four incisor periapical radiograph 
B)  Four canine periapical radiographs 
C)  Four premolar periapical radiographs 
D)  Four molar periapical radiographs 
A)  Four incisor periapical radiograph 
B)  Four canine periapical radiographs 
C)  Four premolar periapical radiographs 
D)  Four molar periapical radiographs

Question 3

Which of the following is NOT an intraoral radiograph?

Accepted Answer

A)  Occlusal 
B)  Bitewing 
C)  Panoramic 
D)  Periapical 
A)  Occlusal 
B)  Bitewing 
C)  Panoramic 
D)  Periapical

Question 4

Which of these statements is FALSE?

Accepted Answer

A)  Incorrect vertical angulation results in overlapped contact points. 
B)  Negative angulation is generally used for exposure of the mandibular arch. 
C)  Positive angulation is generally used for exposure of the maxillary arch. 
D)  An image receptor will aid the radiographer in determining the correct angulations. 
A)  Incorrect vertical angulation results in overlapped contact points. 
B)  Negative angulation is generally used for exposure of the mandibular arch. 
C)  Positive angulation is generally used for exposure of the maxillary arch. 
D)  An image receptor will aid the radiographer in determining the correct angulations.

Question 5

What are the units used to describe angulation?

Accepted Answer

Angulation. The swivel joints

Question 6

Placing the dot in the slot of the film holder positions the identification dot toward the apices of teeth.

Accepted Answer

A) True 
 B)False

Question 7

Why is it important to not position the embossed dot on the film near the apices of the teeth?

Accepted Answer

An image receptor or film hold

Question 8

Which of the following statements is FALSE?

Accepted Answer

A)  A minimum of 10 periapical radiographs is required for a full mouth survey on an adult patient. 
B)  The long dimension of the image receptor is positioned horizontally in the posterior regions. 
C)  A size #1 image receptor is the best fit for the canine region. 
D)  Six size #2 image receptors may be used to record the maxillary and mandibular anterior region. 
A)  A minimum of 10 periapical radiographs is required for a full mouth survey on an adult patient. 
B)  The long dimension of the image receptor is positioned horizontally in the posterior regions. 
C)  A size #1 image receptor is the best fit for the canine region. 
D)  Six size #2 image receptors may be used to record the maxillary and mandibular anterior region.

Question 9

Which of the following statements is FALSE?

Accepted Answer

A)  Determining horizontal angulation is the same for both the bisecting and the paralleling techniques. 
B)  Vertical angulation is accomplished by directing the central ray parallel to the image receptor. 
C)  Angulation is changed by rotating the tube head horizontally and vertically. 
D)  To change horizontal angulation, the tube head is swiveled from side to side. 
A)  Determining horizontal angulation is the same for both the bisecting and the paralleling techniques. 
B)  Vertical angulation is accomplished by directing the central ray parallel to the image receptor. 
C)  Angulation is changed by rotating the tube head horizontally and vertically. 
D)  To change horizontal angulation, the tube head is swiveled from side to side.

Question 10

The bisecting technique originated from the rule of isometry.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements regarding orientation of a film packet is FALSE?

Accepted Answer

A)  The white, unprinted side of the film packet must face the source of radiation. 
B)  The identification dot should be positioned toward the apices of the teeth when placing periapical radiographs. 
C)  The identification dot is used during interpretation of the radiograph to distinguish between the patient's left and right sides. 
D)  The film may be positioned with the long dimension vertically or horizontally when placing posterior bitewing radiographs. 
A)  The white, unprinted side of the film packet must face the source of radiation. 
B)  The identification dot should be positioned toward the apices of the teeth when placing periapical radiographs. 
C)  The identification dot is used during interpretation of the radiograph to distinguish between the patient's left and right sides. 
D)  The film may be positioned with the long dimension vertically or horizontally when placing posterior bitewing radiographs.

Question 12

The word "periapical" is derived from the Greek word peri (meaning around) and the Latin word apex (meaning highest point).

Accepted Answer

A) True 
 B)False

Question 13

Radiographs are shadow images on an image receptor.

Accepted Answer

A) True 
 B)False

Question 14

Periapical radiographs can be taken with each of the following image receptor sizes EXCEPT one. Which one is the EXCEPTION?

Accepted Answer

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

Question 15

Periapical radiographs can image only one tooth on each radiograph.

Accepted Answer

A) True 
 B)False

Question 16

Aligning the PID in the vertical and horizontal dimensions is called what?

Accepted Answer

The point of entry. Points of

Question 17

Neither the paralleling nor the bisecting technique completely meets all five requirements for accurate shadow casting in all regions of the oral cavity on all patient types.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is NOT a shadow-casting principle?

Accepted Answer

A)  Use the largest possible source of radiation (focal spot). 
B)  The tooth should be as far as possible from the source of radiation. 
C)  The tooth and image receptor should be as close together as possible. 
D)  The tooth and image receptor should be parallel to each other. 
A)  Use the largest possible source of radiation (focal spot). 
B)  The tooth should be as far as possible from the source of radiation. 
C)  The tooth and image receptor should be as close together as possible. 
D)  The tooth and image receptor should be parallel to each other.

Question 19

Which of the two techniques for obtaining intraoral radiographs is considered the technique of choice?

Accepted Answer

A) True 
 B)False

Question 20

Which of these statements is FALSE?

Accepted Answer

A)  The two basic techniques employed in intraoral radiography are bisecting and paralleling. 
B)  The paralleling technique arose through application of the rule of isometry. 
C)  Both the paralleling and the bisecting techniques can be modified to meet special conditions. 
D)  The paralleling technique is newer than the bisecting technique. 
A)  The two basic techniques employed in intraoral radiography are bisecting and paralleling. 
B)  The paralleling technique arose through application of the rule of isometry. 
C)  Both the paralleling and the bisecting techniques can be modified to meet special conditions. 
D)  The paralleling technique is newer than the bisecting technique.

Exam 13: The Periapical Examinationparalleling Technique

A minimum of how many periapical radiographs should make up a full mouth survey for most adult patients?

Each of the following is standard placement for a full mouth series of periapical radiographs using a size #2 image receptor on an adult patient EXCEPT one. Which one is the EXCEPTION?

Which of the following is NOT an intraoral radiograph?

Which of these statements is FALSE?

What are the units used to describe angulation?

Placing the dot in the slot of the film holder positions the identification dot toward the apices of teeth.

Why is it important to not position the embossed dot on the film near the apices of the teeth?

Which of the following statements is FALSE?

Which of the following statements is FALSE?

The bisecting technique originated from the rule of isometry.

Which of the following statements regarding orientation of a film packet is FALSE?

The word "periapical" is derived from the Greek word peri (meaning around) and the Latin word apex (meaning highest point).

Radiographs are shadow images on an image receptor.

Periapical radiographs can be taken with each of the following image receptor sizes EXCEPT one. Which one is the EXCEPTION?

Periapical radiographs can image only one tooth on each radiograph.

Aligning the PID in the vertical and horizontal dimensions is called what?

Neither the paralleling nor the bisecting technique completely meets all five requirements for accurate shadow casting in all regions of the oral cavity on all patient types.

Which of the following is NOT a shadow-casting principle?

Which of the two techniques for obtaining intraoral radiographs is considered the technique of choice?

Which of these statements is FALSE?

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 Examinationbisecting Technique

The Bitewing Examination

The Occlusal 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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