Question 1

The normal periodontal ligament space appears as a ______________ line.

Accepted Answer

A) thin radiopaque 
B) thin radiolucent 
C) thick radiopaque 
D) thick radiolucent 
A) thin radiopaque 
B) thin radiolucent 
C) thick radiopaque 
D) thick radiolucent B

Question 2

Which of the following should you use to determine the extent of your patient's periodontal disease?

Accepted Answer

A) Pocket depth 
B) Recession 
C) Amount of inflammation 
D) Clinical attachment loss 
A) Pocket depth 
B) Recession 
C) Amount of inflammation 
D) Clinical attachment loss D

Question 3

You suspect your patient has periodontal disease in the molar regions.Which of the following dental images should you take?

Accepted Answer

A) Horizontal bite-wing 
B) Vertical bite-wing 
C) Panoramic 
D) Periapical 
A) Horizontal bite-wing 
B) Vertical bite-wing 
C) Panoramic 
D) Periapical D

Question 4

ADA Case Type I is

Accepted Answer

A) gingivitis. 
B) mild or slight periodontitis. 
C) moderate periodontitis. 
D) advanced or severe periodontitis. 
A) gingivitis. 
B) mild or slight periodontitis. 
C) moderate periodontitis. 
D) advanced or severe periodontitis.

Question 5

Identify the radiopaque area the arrow is pointing to on your patient's dental image.

Accepted Answer

A) Calculus 
B) Caries 
C) Cemento-enamel junction 
D) Cementum 
A) Calculus 
B) Caries 
C) Cemento-enamel junction 
D) Cementum

Question 6

In health,the lamina dura around the roots of the teeth appears as a(n)_________ line.

Accepted Answer

A) dense radiolucent 
B) dense radiopaque 
C) intermittent radiolucent 
D) intermittent radiopaque 
A) dense radiolucent 
B) dense radiopaque 
C) intermittent radiolucent 
D) intermittent radiopaque

Question 7

Dental images permit the evaluation of ______ in the detection of periodontal disease.

Accepted Answer

A) pocket depth 
B) soft tissue 
C) inflammation 
D) bone 
A) pocket depth 
B) soft tissue 
C) inflammation 
D) bone

Question 8

The periodontal ligament space is located between the root of the tooth and the

Accepted Answer

A) crest of alveolar bone. 
B) lamina dura. 
C) cementum. 
D) spongy bone. 
A) crest of alveolar bone. 
B) lamina dura. 
C) cementum. 
D) spongy bone.

Question 9

Your patient is viewing her bite-wing images and has noticed the small radiopaque pieces on the interproximal surfaces below the contacts of some of her teeth.What is she looking at?

Accepted Answer

A) Crestal bone 
B) Cemento-enamel junction 
C) Composite restorations 
D) Calculus 
A) Crestal bone 
B) Cemento-enamel junction 
C) Composite restorations 
D) Calculus

Question 10

A patient with localized bone loss will exhibit bone loss in less than ______ of the areas.

Accepted Answer

A) 10% 
B) 20% 
C) 30% 
D) 50% 
A) 10% 
B) 20% 
C) 30% 
D) 50%

Question 11

Your patient has been diagnosed as having a periodontal classification of ADA case type I.How far below the cement-enamel junction would you expect to see the crestal bone on the dental images?

Accepted Answer

A) 0.5 to 1.0 mm 
B) 1.0 to 1.5 mm 
C) 1.5 to 2.0 mm 
D) 2.0 to 2.5 mm 
A) 0.5 to 1.0 mm 
B) 1.0 to 1.5 mm 
C) 1.5 to 2.0 mm 
D) 2.0 to 2.5 mm

Question 12

The _________________ of adjacent teeth can be used as a plane of reference in determining the pattern of bone loss present.

Accepted Answer

A) marginal ridge height 
B) cemento-enamel junctions (CEJs) 
C) pulp chambers 
D) cementum thickness 
A) marginal ridge height 
B) cemento-enamel junctions (CEJs) 
C) pulp chambers 
D) cementum thickness

Question 13

Severe bone loss is defined as a loss of __________.

Accepted Answer

A) 1 to 2 mm 
B) 2 to 3 mm 
C) 3 to 4 mm 
D) 5 mm or greater 
A) 1 to 2 mm 
B) 2 to 3 mm 
C) 3 to 4 mm 
D) 5 mm or greater

Exam 34: Interpretation of Periodontal Disease

The normal periodontal ligament space appears as a ______________ line.

Which of the following should you use to determine the extent of your patient's periodontal disease?

You suspect your patient has periodontal disease in the molar regions.Which of the following dental images should you take?

ADA Case Type I is

Identify the radiopaque area the arrow is pointing to on your patient's dental image.

In health,the lamina dura around the roots of the teeth appears as a(n)_________ line.

Dental images permit the evaluation of ______ in the detection of periodontal disease.

The periodontal ligament space is located between the root of the tooth and the

Your patient is viewing her bite-wing images and has noticed the small radiopaque pieces on the interproximal surfaces below the contacts of some of her teeth.What is she looking at?

A patient with localized bone loss will exhibit bone loss in less than ______ of the areas.

Your patient has been diagnosed as having a periodontal classification of ADA case type I.How far below the cement-enamel junction would you expect to see the crestal bone on the dental images?

The _________________ of adjacent teeth can be used as a plane of reference in determining the pattern of bone loss present.

Severe bone loss is defined as a loss of __________.

Radiation History

Radiation Physics

Radiation Characteristics

Radiation Biology

Radiation Protection

Dental X-Ray Equipment

Dental X-Ray Film

Dental X-Ray Image Characteristics

Dental X-Ray Film Processing

Quality Assurance in the Dental Office

Dental Radiographs and the Dental Radiographer

Patient Relations and the Dental Radiographer

Patient Education and the Dental Radiographer

Legal Issues and the Dental Radiographer

Infection Control and the Dental Radiographer

Introduction to Radiographic Examinations

Paralleling Technique

Bisecting Technique

Bite-Wing Technique

Exposure and Technique Errors

Occlusal and Localization Techniques

Panoramic Imaging

Extraoral Imaging

Imaging of Patients With Special Needs

Digital Imaging

Three-Dimensional Digital Imaging

Normal Anatomy: Intraoral Images

Film Mounting and Viewing

Normal Anatomy: Panoramic Images

Introduction to Image Interpretation

Descriptive Terminology

Identification of Restorations, dental Materials, and Foreign Objects

Interpretation of Dental Caries

Interpretation of Trauma and Pulpal and Periapical Lesions

Filters