Deck 34: Interpretation of Periodontal Disease

Question 1

Severe bone loss is defined as a loss of __________.

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

Answer 1

5 mm or greater

Question 2

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

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

Answer 2

Periapical

Question 3

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?

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

Answer 3

1.5 to 2.0 mm

Question 4

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

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

Question 5

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

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

Question 6

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

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

Question 7

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

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

Question 8

The normal periodontal ligament space appears as a ______________ line.

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

Question 9

ADA Case Type I is

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

Question 10

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

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

Question 11

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

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

Question 12

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

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

Question 13

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