Deck 33: Interpretation of Dental Caries

Question 1

Caries that involve the buccal or lingual surface appear as a small, ____ areA.

A) Triangular radiolucent
B) Circular radiolucent
C) Triangular radiopaque
D) Circular radiopaque

Answer 1

Circular radiolucent

Question 2

A radiograph is most useful for detection of ____ caries.

A) Buccal
B) Lingual
C) Occlusal
D) Interproximal

Answer 2

Interproximal

Question 3

____ occlusal caries cannot be seen on a dental radiograph and must be detected clinically with an explorer. (1) Incipient
(2) Moderate
(3) Severe

A) 1, 2, 3
B) 1, 3
C) 2, 3
D) 1 only

Answer 3

1 only

Question 4

In the practice of dentistry, ____ is probably the most frequent reason for taking dental radiographs.

A) Periodontitis
B) Caries
C) Impacted teeth
D) Orthodontia

Question 5

A carious lesion appears ____ on a dental radiograph.

A) Radiopaque
B) Radiolucent
C) White
D) Clear

Question 6

On a dental radiograph, interproximal caries are typically seen at or just below the:

A) Marginal ridge.
B) Contact point.
C) Cementoenamel junction.
D) Crest of the alveolar bone.

Question 7

____ caries are found between two teeth.

A) Occlusal
B) Buccal
C) Lingual
D) Interproximal

Question 8

Which of the following statements is true of root surface caries?

A) Root surface caries involve the loss of enamel.
B) Root surface caries are clinically difficult to detect on exposed root surfaces.
C) Root surface caries appear as a cupped-out or crater-shaped radiolucency just below the cementoenamel junction (CEJ).
D) Root surface caries appear as a cupped-out or crater-shaped radiolucency just above the CEJ.

Question 9

A Class ____ lesion is an advanced interproximal lesion.

A) I
B) II
C) III
D) IV

Question 10

____ interproximal caries extend less than halfway through the thickness of enamel.

A) Incipient
B) Moderate
C) Advanced
D) Severe

Question 11

Rampant caries are typically seen in children with ____ dietary habits or in adults with ____ salivary flow.

A) Poor; increased
B) Poor; decreased
C) Good; increased
D) Good; decreased

Question 12

The ____ radiograph is the radiograph of choice for the evaluation of caries.

A) Periapical
B) Bite-wing
C) Panoramic
D) Occlusal