Unit 3 - Periodontal Examination and Assessment

Question 1

What is dental plaque?

Answer 1

Biofilm that grows in the oral cavity

Question 2

What is one of the major causes for dental caries and periodontal disease?

Answer 2

Bacterial plaque/biofilm

Question 3

What is calculus?

Answer 3

Mineralized plaque

Question 4

What coats the mineralized plaque in calculus?

Answer 4

Bacteria, desquamated epithelial cells, leukocytes, and inflammatory products

Question 5

What is supragingival calculus?

Answer 5

Coronal to the gingival margin

Question 6

What is subgingival calculus?

Answer 6

Below the crest of the marginal groove

Question 7

What does calculus promote?

Answer 7

Bacterial plaque accumulation and retention

Question 8

What does plaque induce? What does that lead to?

Answer 8

Gingival inflammation, leads to pocket formation

Question 9

What do you use to detect calculus in the mouth?

Answer 9

Pigtail explorer, ODU 11/12

Question 10

Can radiographic calculus be seen on the mesial/distal or the facial/lingual?

Answer 10

Mesial/distal

Question 11

What is the probing depth?

Answer 11

The distance from the free gingival margin to the base of the sulcus

Question 12

What is the normal probing depth?

Answer 12

1-3mm

Question 13

How many sites per tooth do you measure the probing depth?

Answer 13

6 sites

Question 14

What probe is used at VCU?

Answer 14

UNC probe

Question 15

What is the free gingival margin?

Answer 15

Distance from the free gingival margin to the CEJ

Question 16

If the free gingival margin is apical to the CEJ, is the number positive or negative?

Answer 16

Negative number

Question 17

If the free gingival margin is coronal to the CEJ, is the number positive or negative?

Answer 17

Positive number

Question 18

What is the clinical attachment loss?

Answer 18

The distance from the CEJ to the base of the crevice

Question 19

The probing depth minus the free gingival equals what?

Answer 19

Clinical attachment loss

Question 20

What is a healthy clinical attachment loss?

Answer 20

0

Question 21

What is bleeding on probing a sign on?

Answer 21

Periodontal inflammation

Question 22

After probing each site, how long should you wait before evaluating bleeding on probing?

Answer 22

20-30 second

Question 23

What is furcation involvement?

Answer 23

Attachment/bone loss in the furcation areas

Question 24

How do you measure furcation?

Answer 24

Naber’s probe

Question 25

What is grade 1 furcation evaluation?

Answer 25

Early involvement just into the fluting of furcation

Question 26

What is grade 2 furcation evaluation?

Answer 26

Horizontal destruction into the furcation but not through to other side

Question 27

What is grade 3 furcation evaluation?

Answer 27

Loss of bone all the way through the furcation and can enter from both sides

Question 28

Can there be just one grade 3 furcation evaluation?

Answer 28

No

Question 29

What is grade 4 furcation evaluation?

Answer 29

Same as grade 3 with recession, can see the entire furcation

Question 30

Do we use grade 4 furcation at VCU?

Answer 30

No

Question 31

What is tooth mobility?

Answer 31

Horizontal or vertical displacement of a tooth beyond normal boundaries

Question 32

How do you measure tooth mobility?

Answer 32

Apply pressure with the ends of two metal instruments or one metal instrument and finger

Question 33

What is class 1 mobility?

Answer 33

Less than 1 mm horizontal displacement

Question 34

What is class 2 mobility?

Answer 34

More than 1 mm horizontal displacement

Question 35

What is class 3 mobility?

Answer 35

Vertical displacement

Question 36

What are the three parts of the periodontal exam?

Answer 36

1. Visual exam
2. Periodontal chart
3. Radiographic exam

Question 37

What is the normal bone distance in a healthy periodontal?

Answer 37

1-2mm to the CEJ

Question 38

What is the normal angulation of healthy bone levels?

Answer 38

Parallel to the line connecting the adjacent CEJs