Classification of perio: summary

Question 1

What is the BPE?

Answer 1

It is a screening tool to reach a provisional diagnosis

Question 2

Who should have a BPE recorded?

Answer 2

All new patients

Question 3

Which probe is used to take BPE?

Answer 3

BPE WHO probe

Question 4

What BPE codes represent healthy gingiva or gingivitis?

Answer 4

0, 1, 2

Question 5

What BPE codes suggest periodontitis?

Answer 5

3 or 4

Question 6

What probing depths would you expect for code 3 and code 4?

Answer 6

Code 3: 3.5 - 5.5mm

Code 4: over 5.5mm

Question 7

How deep are the pockets in code 0, 1 and 2?

Answer 7

Less than 3.5mm

Question 8

What would you expect to see if a sextant has been scored code 0?

Answer 8

Pockets less than 3.5mm
No calculus or overhangs
No BOP
Black band entirely visible

Question 9

What would you expect to see if a sextant has been scored code 1?

Answer 9

Pockets less than 3.5mm
No calculus/overhangs
BOP
Black band entirely visible

Question 10

What would you expect to see if a sextant has been scored code 2?

Answer 10

Pockets less than 3.5mm
Supra o sub gingival calculus/overhangs
Black band entirely visible
BOP

Question 11

What would you expect to see if a sextant has been scored code 3?

Answer 11

Pockets 3.5-5.5mm
Black band partially visible
BOP
Supra or subgingival calculus

Question 12

What would you expect to see if a sextant has been scored code 4?

Answer 12

Pockets over 5.5mm
Black band not visible
BOP

Question 13

What does * mean in a BPE score?

Answer 13

Furcation involvement

Question 14

What percentage of BOP suggests localised gingivitis?

Answer 14

10-30%

Question 15

What percentage of BOP suggests generalised gingivitis?

Answer 15

over 30%

Question 16

What further investigations do you do if a code 3 or 4 is recorded?

Answer 16

Take radiographs

Record pocket chart (6ppc)

Question 17

What elements are included in the diagnosis of periodontitis?

Answer 17

Extent
Staging
Grading
Current disease status
Risk factor assessment

Question 18

What does staging measure?

Answer 18

Interproximal bone loss

Question 19

What does grading score represent?

Answer 19

% bone loss / patient age

Question 20

What stage represents early/mild perio - and what does this mean?

Answer 20

Stage 1

Less than 15% (or 2mm attachment loss from CEJ)

Question 21

What stage represents moderate perio - and what does this mean?

Answer 21

Stage 2

Coronal third of root

Question 22

What stage represents severe perio - and what does this mean?

Answer 22

Stage 3

Mid third of root

Question 23

What stage represents very severe perio - and what does this mean?

Answer 23

Stage 4

Apical third of root

Question 24

What does Grade A represent?

Answer 24

<0.5

Slow rate of progression

Question 25

What does Grade B mean?

Answer 25

0.5-1.0

Moderate rate of progression

Question 26

What does Grade C mean?

Answer 26

More than 1.0

Rapid rate of progression

Question 27

What are the possible grade scores when grading perio disease?

Answer 27

A B C

Question 28

How many stages are involved when staging perio disease?

Answer 28

1, 2, 3, 4

Question 29

What would you include in your diagnosis statement in your notes?

Answer 29

Extent - Periodontitis - Stage- Grade- Stability - Risk Factors

Question 30

What would you include in your diagnosis statement in your notes?

Answer 30

Extent - Periodontitis - Stage- Grade- Stability - Risk Factors

e.g. generalised perio stage 3 Grade B - currently unstable - Risk: smoker 15/day