Unit 4

Question 1

A calibrated periodontal probe is marked in millimeter intervals. Each millimeter increment (from 1 to 12 mm) is indicated on the working-end of all calibrated probes.

Answer 1

The first statement is true; the second statement is false.

Question 2

A decision by the patient to reject treatment should happen before informed consent. Informed refusal forms should be a part of patient documentation.

Answer 2

The first statement is false; the second statement is true.

Question 3

Angela is probing the mandibular canine. In the mesial site (site 3), the measurements are 3 mm, 3 mm, and 3.5 mm. What should Angela record for the mesial site?

Answer 3

4 mm

Question 4

Beulah has inserted a periodontal probe to the base of a sulcus. Which of the following tissues forms the base of a clinically normal gingival sulcus?

Answer 4

Junctional epithelium

Question 5

Clyde has inserted a probe to the base of a clinically normal sulcus. Which of the following tissues does the probe touch at the base of the sulcus?

Answer 5

Junctional epithelium

Question 6

Corbin has walked a periodontal probe across the mesial surface until it touched the contact area. What should Corbin do next?

Answer 6

Slant the probe slightly and gently press downward to assess beneath the contact area.

Question 7

Igor is recording probing depth measurements on a periodontal chart. How many measurements should he record for each tooth?

Answer 7

Six

Question 8

Where should probing begin on the lingual site of the mandibular left first molar?

Answer 8

Distolingual line angle

Question 9

In a healthy sulcus, the junctional epithelium is attached to which of the following structures?

Answer 9

Enamel

Question 10

In a periodontal pocket, the junctional epithelium is attached to which of the following structures?

Answer 10

Cementum

Question 11

Since only light pressure is used when probing, _____ activation may be used.

Answer 11

either wrist or digital

Question 12

A carious lesion that can be detected visually should be explored. When examining an occlusal surface, the clinician should trace the entire length of a fissure with the explorer while applying heavy pressure downward into the developmental depression.

Answer 12

Both statements are false

Question 13

During an assessment stroke with an explorer

Answer 13

Wrist or digital activation is acceptable

Question 14

During your assessment stroke with an explorer you would:

Answer 14

Overlap many strokes in multidirections

Question 15

For a normal sulcus your assessment stroke extends from the sulcus base to just beneath the gingival margin. Within a pocket, explore the cervical section first.

Answer 15

The first statement is true; the second statement is false.

Question 16

Gordon wants to select the correct working-end of an explorer for use on a molar. Which of the visual clues should he use?

Answer 16

Both posterior = parallel and functional shank up and over the tooth

Question 17

John consistently fails to detect calculus deposits at the line angles of posterior teeth. Which of the following is the most likely cause?

Answer 17

Not using horizontal strokes to assess the line angle area

Question 18

Mary wants to select the correct working-end of an explorer for use on a mandibular molar. Which of the following is a correct technique for selecting the working-end?

Answer 18

She should place the working-end on the distal surface; if the lower shank is parallel to the distal surface, this working-end is correct

Question 19

One to two millimeters of the side of the explorer’s working-end is known as the _____.

Answer 19

explorer tip

Question 20

Rolling the handle of the explorer at the line angle of a tooth helps to:

Answer 20

Maintain correct adaptation of the explorer

Question 21

Sadie wants to improve her ability to detect calculus. Which of the following techniques will help her achieve this goal?

Answer 21

Lightly resting her middle finger on the shank

Question 22

Subgingival calculus deposits are ____

Answer 22

located beneath the gingival margin

Question 23

To improve calculus detection, the clinician should apply firm pressure against the tooth surface. Many overlapping strokes should be used during assessment of the root surface.

Answer 23

The first statement is false; the second statement is true.

Question 24

When using an 11/12-type explorer on mandibular anterior teeth, the correct working-end

Answer 24

Curves toward the tooth surface

Question 25

When using an 11/12-type explorer on maxillary anterior teeth, the correct working-end:

Answer 25

Curves towards the tooth surface