Classification

Question 1

How much interdental clinical attachment loss in stage 1 ?

Answer 1

1-2mm

Question 2

How much interdental clinical attachment loss in stage2 ?

Answer 2

3-4 mm

Question 3

How much interdental clinical attachment loss in stage 4+5 ?

Answer 3

=5 or >5

Question 4

What’s the percent of bone loss in stage 1 ?

Answer 4

=15% or <15%

Question 5

What’s the percent of bone loss in stage 2 ?

Answer 5

15% - 33%

Question 6

What’s the percent of bone loss in stage 3 + 4 ?

Answer 6

=30% or > 30%

Question 7

How much teeth lost to periodontitis in stage 1+2 ?

Answer 7

No loss

Question 8

How much teeth lost to periodontitis in stage 3?

Answer 8

=4 or <4
1,2,3,4

Question 9

How much teeth lost to periodontitis in stage 4?

Answer 9

5 or >5

Question 10

In staging
interdental CAL at the worst site​
radiographic bone loss
tooth loss due to periodontitis

Describing the condition of which stage ?

Answer 10

Severity

Question 11

Primary based on local factors like probing depth​
For which stage ?

Answer 11

Complexity

Question 12

How much proping depth in normal condition ?

Answer 12

1-3mm

Question 13

How much proping depth and bone loss direction in stage 1 ?

Answer 13

4 or >4 into flute
Horizontal bone loss

Question 14

How much proping depth and bone loss direction in stage 2?

Answer 14

5 or >5
Horizontal

Question 15

How much proping depth and bone loss direction in stage 3 ?

Answer 15

6 or 6<
Vertical bone loss > or =3
Class 2 or 3 furcation involvement

Question 16

How much proping depth and bone loss direction in stage 4?

Answer 16

Like class 3 plus +
Need for rehabilitation
Masticatory dysfunction
Tooth mobility class 2 or 3
Less than 20 teeth remain

Question 17

What’s local extent of periodontitis ?

Answer 17

<30% of teeth

Question 18

What’s generalized extent of periodontitis ?

Answer 18

> 30% of teeth

Question 19

Which teeth consisted in pattern in periodontitis extent ?

Answer 19

Molar / incisors

Question 20

When we have vertical bone loss = or > 3mm directly consider as class ?

Answer 20

3/4

Question 21

When we have furcation involvement class 2/3 directly consider as stage ?

Answer 21

3/4

Question 22

When we have < 20 teeth remain directly consider as stage ?

Answer 22

4

Question 23

What’s determines the gradine ?

Answer 23

Rate of progression
Responsiveness to therapy
Assessment of risk
Rate of CAL / rapid bone loss
Smoking
Diabetes

Question 24

Whats the direct and indirect evidence in grading?

Answer 24

Direct - radiographic bone loss , or CAL
Indirect - present of bone loss/ age
Case phenotype

Question 25

How much radiographic bone loss or CAL in grade A ?

Answer 25

No loss over 5 years ( slow rate )

Question 26

How much radiographic bone loss or CAL in grade B ?

Answer 26

<2 mm over 5 years ( moderate rate )

Question 27

How much radiographic bone loss or CAL in grade C ?

Answer 27

> or = 2mm over 5 years

Question 28

What’s the percent of bone loss/age in grade A ?

Answer 28

<0.25

Question 29

What’s the percent of bone loss/age in grade B ?

Answer 29

0.25-1.0

Question 30

What’s the percent of bone loss/age in grade C ?

Answer 30

>1.0

Question 31

What’s the case phenotype in grade A ?

Answer 31

Heavy deposits with little destruction

Question 32

What’s the case phenotype in grade B ?

Answer 32

Destruction correlates = with deposits

Question 33

What’s the case phenotype in grade C?

Answer 33

Destruction disproportionate to deposits Minimal plaque

Question 34

What’s the smoking and diabetes status in grade A ?

Answer 34

Non smoker No diabetes

Question 35

What’s the smoking and diabetes status in grade B?

Answer 35

<10 cigarettes per day HbA 1c <7.0% in diabetic patients

Question 36

What’s the smoking and diabetes status in grade C?

Answer 36

HbA 1c >= 7% in diabetic patients >=10 cigarettes per day