Chapter 4

Question 1

Gingivitis is a(n) ____ process

Answer 1

reversible

Question 2

Symptoms of gingivitis include ____, ____

Answer 2

Bleeding

Red and swollen gums

Question 3

Periodontitis is a(n) ____ process

Answer 3

Irreversible

Question 4

Symptoms of periodontitis include ____, ____, ____, ____, ____

Answer 4

Gingival inflammation
Periodontal pockets
Attachment loss
Bone loss
Tooth mobility (possibly)

Question 5

Attachment loss is measured ____

Answer 5

Clinically

Question 6

Bone loss is measured ____

Answer 6

Radiographically

Question 7

Prevalence is the number of events/defects in a population ____

Answer 7

At one point in time

Question 8

Incidence is the number of events/defects that occur ____

Answer 8

Over a period of time

Question 9

____ is difficult to measure in Periodontitis

Answer 9

Incidence

Question 10

____ is the #1 risk factor of periodontitis

Answer 10

Smoking

Question 11

____ is the #1 etiologic cause of periodontitis

Answer 11

Bacteria/Plaque

Question 12

Prevalence of gingivitis in U.S. children in 1979-80 was ____

Answer 12

95%

Question 13

Periodontitis severity ____ with age

Answer 13

Increases

Question 14

____ of subjects aged 30 and older have periodontitis

Answer 14

47%

Question 15

Periodontitis prevalence is higher in ____

Answer 15

Males
Smokers
Mexican Americans
Adults without a high school diploma
Adults below 100% federal poverty levels

Question 16

Periodontitis is extremely ____ specific

Answer 16

Site

Question 17

The Plaque Index (Silness and Löe) measure thickness of plaque at the ____ ____

Answer 17

Gingival margin

Question 18

PI 0 =
PI 1 =
PI 2 =
PI 3 =

Answer 18

No plaque
Film of plaque
Moderate accumulation
Abundance of soft matter

Question 19

Turesky Modification of the Quigley-Hein Index measures ____ ____ of plaque on the tooth

Answer 19

Surface area

Question 20

TM 0 = 
TM 1 = 
TM 2 = 
TM 3 = 
TM 4 =

Answer 20

No plaque
Flecks
Thin band (up to 1mm)
Thick band (>1mm)
2/3 or more of crown covered

Question 21

O’Leary Plaque Control Record (used in clinic)

Answer 21

1. Presence scored on four surfaces
2. Score = (number of sites)/(number of teeth x 4)
3. Goal of 20% of less (10% in hygiene clinic)

Question 22

Gingival Index (Löe and Silness)
GI 0 =
GI 1 = 
GI 2 = 
GI 3 =

Answer 22

0 = Normal gingiva
1 = Mild inflammation (no bleeding on probing)
2 = Moderate inflammation (bleeding on probing)
3 = Severe inflammation (bleeding spontaneously)

Question 23

Miller mobility test
0 = 
1 = 
2 = 
3 =

Answer 23

0 = No detectable movement
1 = Barely detectable movement
2 = Crown moves up to 1mm
3 = Crown moves more than 1mm