Question 1

Early occlusal, buccal, lingual, and cemental caries are not likely to be recorded on radiographs.

Accepted Answer

A) True 
 B)False

Question 2

Recurrent caries appears as a radiolucency adjacent to the restoration.

Accepted Answer

A) True 
 B)False

Question 3

What is the name of the optical illusion that describes the increased darkness near the neck of the teeth proximally on radiographs?

Accepted Answer

Cervical burnout appears as an

Question 4

How do caries appear radiographically compared to radiopaque enamel?

Accepted Answer

Radiolucent. Demineralization

Question 5

Which of the following statements regarding radiographic detection of caries is correct?

Accepted Answer

A)  Decalcification must reach 80-90 percent loss of hard structure to be imaged radiographically. 
B)  The depth of the caries appears more advanced radiographically than clinically. 
C)  The periapical radiograph is the radiograph of choice to image caries. 
D)  Some practitioners prefer to use a low kVp to best image caries. 
A)  Decalcification must reach 80-90 percent loss of hard structure to be imaged radiographically. 
B)  The depth of the caries appears more advanced radiographically than clinically. 
C)  The periapical radiograph is the radiograph of choice to image caries. 
D)  Some practitioners prefer to use a low kVp to best image caries.

Question 6

Nonmetallic radiolucent restorations may mimic decay radiographically.

Accepted Answer

A) True 
 B)False

Question 7

For caries to be imaged on a radiograph, approximately what percentage of calcium and phosphorus of the tooth structure must be lost?

Accepted Answer

A)  20-30 percent 
B)  30-40 percent 
C)  40-50 percent 
D)  50-60 percent 
A)  20-30 percent 
B)  30-40 percent 
C)  40-50 percent 
D)  50-60 percent

Question 8

Which of these statements is FALSE?

Accepted Answer

A)  Cemental caries may be called "root caries." 
B)  Root caries may be misinterpreted as cervical burnout. 
C)  Arrested caries are caries that are no longer active. 
D)  Rampant caries refers to decay that occurs under a restoration or around margins. 
A)  Cemental caries may be called "root caries." 
B)  Root caries may be misinterpreted as cervical burnout. 
C)  Arrested caries are caries that are no longer active. 
D)  Rampant caries refers to decay that occurs under a restoration or around margins.

Question 9

Root caries develops between the enamel border and free gingival margin on the cemental surface of the tooth.

Accepted Answer

A) True 
 B)False

Question 10

Which kVp setting produces the highest contrast between sound enamel and demineralization?

Accepted Answer

A)  70 
B)  80 
C)  85 
D)  90 
A)  70 
B)  80 
C)  85 
D)  90

Early occlusal, buccal, lingual, and cemental caries are not likely to be recorded on radiographs.

Recurrent caries appears as a radiolucency adjacent to the restoration.

What is the name of the optical illusion that describes the increased darkness near the neck of the teeth proximally on radiographs?

How do caries appear radiographically compared to radiopaque enamel?

Which of the following statements regarding radiographic detection of caries is correct?

Nonmetallic radiolucent restorations may mimic decay radiographically.

For caries to be imaged on a radiograph, approximately what percentage of calcium and phosphorus of the tooth structure must be lost?

Which of these statements is FALSE?

Root caries develops between the enamel border and free gingival margin on the cemental surface of the tooth.

Which kVp setting produces the highest contrast between sound enamel and demineralization?

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

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 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

Filters

Exam 24: The Use of Radiographs in the Detection of Dental Caries

Early occlusal, buccal, lingual, and cemental caries are not likely to be recorded on radiographs.

Recurrent caries appears as a radiolucency adjacent to the restoration.

What is the name of the optical illusion that describes the increased darkness near the neck of the teeth proximally on radiographs?

How do caries appear radiographically compared to radiopaque enamel?

Which of the following statements regarding radiographic detection of caries is correct?

Nonmetallic radiolucent restorations may mimic decay radiographically.

For caries to be imaged on a radiograph, approximately what percentage of calcium and phosphorus of the tooth structure must be lost?

Which of these statements is FALSE?

Root caries develops between the enamel border and free gingival margin on the cemental surface of the tooth.

Which kVp setting produces the highest contrast between sound enamel and demineralization?

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

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 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

Filters