Question 1

The recommended vertical angulation for exposing a maxillary incisor periapical radiograph using the bisecting technique is:

Accepted Answer

A)  +20 degrees 
B)  +30 degrees 
C)  +40 degrees 
D)  +45 degrees 
A)  +20 degrees 
B)  +30 degrees 
C)  +40 degrees 
D)  +45 degrees C

Question 2

Changes in vertical angulation are indicated when the patient's palatal vault is high or low.

Accepted Answer

A) True 
 B)False  True

Question 3

The recommended vertical angulation for exposing a mandibular incisor periapical radiograph using the bisecting technique is:

Accepted Answer

A)  -10 degrees 
B)  -15 degrees 
C)  -20 degrees 
D)  -5 degrees 
A)  -10 degrees 
B)  -15 degrees 
C)  -20 degrees 
D)  -5 degrees B

Question 4

An isometric triangle is a triangle with sides that are inversely related to the base.

Accepted Answer

A) True 
 B)False

Question 5

Explain how the bisecting technique relates to the rule of isometry.

Accepted Answer

Theoretically, two isometric triangles (

Question 6

Because it satisfies fewer shadow-casting principles, the bisecting technique is less likely to produce superior diagnostic-quality radiographs.

Accepted Answer

A) True 
 B)False

Question 7

What must the radiographer do prior to confidently using predetermined vertical angulations when applying the bisecting technique?

Accepted Answer

The patient's occlusal and mid

Question 8

Which of the following will correct a foreshortened image?

Accepted Answer

A)  Increasing the vertical angulation 
B)  Decreasing the vertical angulation 
C)  Directing the central ray perpendicular to the plane of the image receptor 
D)  Directing the central ray perpendicular to the long axis of the tooth 
A)  Increasing the vertical angulation 
B)  Decreasing the vertical angulation 
C)  Directing the central ray perpendicular to the plane of the image receptor 
D)  Directing the central ray perpendicular to the long axis of the tooth

Question 9

The recommended vertical angulation for exposing a mandibular molar periapical radiograph using the bisecting technique is:

Accepted Answer

A)  -10 degrees 
B)  -15 degrees 
C)  -20 degrees 
D)  -5 degrees 
A)  -10 degrees 
B)  -15 degrees 
C)  -20 degrees 
D)  -5 degrees

Question 10

The recommended vertical angulation for exposing a mandibular premolar periapical radiograph using the bisecting technique is:

Accepted Answer

A)  -10 degrees 
B)  -15 degrees 
C)  -20 degrees 
D)  -5 degrees 
A)  -10 degrees 
B)  -15 degrees 
C)  -20 degrees 
D)  -5 degrees

Question 11

Describe the error that results when inadequate vertical angulation is used when taking periapical radiographs using the bisecting technique.

Accepted Answer

Inadequate vertical

Question 12

Which of the following will correct an overlapping error?

Accepted Answer

A)  Increasing the vertical angulation 
B)  Decreasing the vertical angulation 
C)  Directing the central ray perpendicular to the plane of the image receptor 
D)  Directing the central ray perpendicular to the long axis of the tooth 
A)  Increasing the vertical angulation 
B)  Decreasing the vertical angulation 
C)  Directing the central ray perpendicular to the plane of the image receptor 
D)  Directing the central ray perpendicular to the long axis of the tooth

Question 13

It is possible to place the image receptor close to the mandibular molars and still achieve a parallel relationship between the image receptor and the long axes of the teeth.

Accepted Answer

A) True 
 B)False

Question 14

The patient must be seated correctly to use predetermined vertical angulations when employing the bisecting technique.

Accepted Answer

A) True 
 B)False

Question 15

The seating position of the patient is not important in using predetermined anatomical landmarks to direct the central ray of the x-ray beam toward the point of entry.

Accepted Answer

A) True 
 B)False

Question 16

What is the preferred target-surface distance when using the bisecting technique?

Accepted Answer

The shorter, 8-inch (20.5-cm)

Question 17

Which of the following best describes the correct vertical direction of the central ray when using the bisecting technique?

Accepted Answer

A)  90 degrees to the long axes of the teeth 
B)  90 degrees to the plane of the image receptor 
C)  90 degrees to the long axes of the teeth and the plane of the image receptor 
D)  90 degrees to the imaginary bisector 
A)  90 degrees to the long axes of the teeth 
B)  90 degrees to the plane of the image receptor 
C)  90 degrees to the long axes of the teeth and the plane of the image receptor 
D)  90 degrees to the imaginary bisector

Question 18

Specific vertical angulations required when using the bisecting technique differ from those used with the paralleling technique.

Accepted Answer

A) True 
 B)False

Question 19

Name an image receptor holder that may be used with both the paralleling and the bisecting techniques.

Accepted Answer

The bite extension of the Stab

Question 20

Which of the two techniques for obtaining intraoral radiographs may be easier to use for children or adults with shallow palates?

Accepted Answer

An advantage of the bisecting

Exam 15: The Bitewing Examination

The recommended vertical angulation for exposing a maxillary incisor periapical radiograph using the bisecting technique is:

Changes in vertical angulation are indicated when the patient's palatal vault is high or low.

The recommended vertical angulation for exposing a mandibular incisor periapical radiograph using the bisecting technique is:

An isometric triangle is a triangle with sides that are inversely related to the base.

Explain how the bisecting technique relates to the rule of isometry.

Because it satisfies fewer shadow-casting principles, the bisecting technique is less likely to produce superior diagnostic-quality radiographs.

What must the radiographer do prior to confidently using predetermined vertical angulations when applying the bisecting technique?

Which of the following will correct a foreshortened image?

The recommended vertical angulation for exposing a mandibular molar periapical radiograph using the bisecting technique is:

The recommended vertical angulation for exposing a mandibular premolar periapical radiograph using the bisecting technique is:

Describe the error that results when inadequate vertical angulation is used when taking periapical radiographs using the bisecting technique.

Which of the following will correct an overlapping error?

It is possible to place the image receptor close to the mandibular molars and still achieve a parallel relationship between the image receptor and the long axes of the teeth.

The patient must be seated correctly to use predetermined vertical angulations when employing the bisecting technique.

The seating position of the patient is not important in using predetermined anatomical landmarks to direct the central ray of the x-ray beam toward the point of entry.

What is the preferred target-surface distance when using the bisecting technique?

Which of the following best describes the correct vertical direction of the central ray when using the bisecting technique?

Specific vertical angulations required when using the bisecting technique differ from those used with the paralleling technique.

Name an image receptor holder that may be used with both the paralleling and the bisecting techniques.

Which of the two techniques for obtaining intraoral radiographs may be easier to use for children or adults with shallow palates?

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 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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