Deck 34: Interpretation of Periodontal Disease

Question 1

Calculus ____ on a dental radiograph.

A) Appears radiolucent
B) Appears radiopaque
C) Does not appear
D) Appears dark or black

Answer 1

Appears radiopaque

Question 2

The normal healthy alveolar crest is located approximately ____ mm apical to the cementoenamel junction.

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

Answer 2

1.5 to 2.0

Question 3

Generalized bone loss occurs evenly throughout the dental arches, including greater than ____ of the sites involved.

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

Answer 3

30%

Question 4

The normal periodontal ligament space appears as a ____ line.

A) Thin radiopaque
B) Thin radiolucent
C) Thick radiopaque
D) Thick radiolucent

Question 5

ADA Case Type II is:

A) Gingivitis.
B) Mild or slight periodontitis.
C) Moderate periodontitis.
D) Advanced or severe periodontitis.

Question 6

Moderate bone loss is defined as a loss of ____ mm.

A) 1 to 2
B) 2 to 3
C) 3 to 4
D) 4 to 5

Question 7

The ____ radiograph using the ____ technique is the film of choice for the evaluation of periodontal disease.

A) Bite-wing; paralleling
B) Bite-wing; bisecting
C) Periapical; paralleling
D) Periapical; bisecting

Question 8

The severity of bone loss is measured by the:

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

Question 9

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) Cementoenamel junctions (CEJs)
C) Pulp chambers
D) Cementum thickness

Question 10

Radiographs permit the evaluation of ____ in the detection of periodontal disease.

A) Pocket depth
B) Soft tissue
C) Inflammation
D) Bone

Question 11

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 12

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.