BPE + 6PPC

Question 1

Function of the BPE

Answer 1

A screening tool (doesn’t provide diagnosis)

Will provide guidance as to further investigations needed, and may inform treatment planning

Question 2

Name limitations of BPE (2)

Answer 2

1. Relies on pocket depth and this can be misleading (may represent false pocket depth rather than true loss of attachment)
2. Fails to indicate the extent of disease (code 4 may be only at one site or or many sites)

Question 3

Name the probe used to for BPE

Answer 3

1. CPITN probe

Question 4

Name the probes used for a full periodontal pocket chart (3)

Answer 4

1. PCP 12 probe (GDC)
2. UNC probe
3. Williams probe

Question 5

Description of the CPITN probe

Answer 5

• 0.5mm ball tip
• Lighter lines
• black band from 3.5mm to 5.5mm

the second black band serves no purpose in BPE

Question 6

Description of the PCP12 probe

Answer 6

• No ball tip
• Has darker lines
• 3mm-12mm

Question 7

Steps of a new patient history

Answer 7

1. C/O
2. HPC
3. PDH
4. PMH
5. SH
6. FH

Question 8

Function of a provisional diagnosis

Answer 8

To inform requirements for special tests

Question 9

Name examples of special tests (6)

Answer 9

1. Pulp tests
2. Study models
3. Microbiology
4. Biopsy
5. Haematology
6. Radiographs

Question 10

What BPE scores require a radiograph?

Answer 10

BPE scores 3 + 4

Question 11

What should a radiographic report include? (3)

Answer 11

A description of periodontal bone loss including:

1. Distribution
2. Shape
3. Severity

Question 12

Classification of Periodontal disease (4)

Answer 12

1. Disease stage (severity)
2. Disease grade (risk of progression/susceptibility)
3. Disease stability (treated and stable or active)
4. Disease risks (factors that will impact disease progression)

Question 13

What are the different sextants for the BPE?

Answer 13

17 to 14
13 to 23 
24 to 27
34 to 37
43 to 33 
47 to 44

Question 14

BPE score 0

Answer 14

• Black band completely visible
• No probing depths > 3.5mm
• No calculus/overhangs
• No bleeding after probing

Question 15

BPE score 1

Answer 15

• Black band completely visible
• No probing depths > 3.5mm
• No calculus/overhangs
• Bleeding after probing

Question 16

BPE score 2

Answer 16

• Black band completely visible
• No probing depths >3.5mm
• Supra or sub gingival calculus/ overhangs present

Question 17

BPE score 3

Answer 17

• Black band partially visible

- Probing depth of 3.5-5.5mm

Question 18

BPE score 4

Answer 18

• Black band entirely within the pocket

- Probing depth <5.5mm

Question 19

BPE score *

Answer 19

Furcation involvement

Question 20

Periodontal treatment for BPE 0

Answer 20

No need for periodontal treatment

Question 21

Periodontal treatment for BPE 1

Answer 21

OHI

Question 22

Periodontal treatment for BPE 2

Answer 22

• OHI

- Removal of plaque retentive factors (including all supra- and sub-gingival calculus)

Question 23

Periodontal treatment for BPE 3

Answer 23

• OHI

- RSD

Question 24

Periodontal treatment for BPE 4

Answer 24

• OHI
• RSD
• Assess the need for more complex treatment (referral to a specialist may be indicated

Question 25

Periodontal treatment for BPE *

Answer 25

- OHI - RSD - Assess the need for more complex treatment (referral to a specialist may be indicated)

Question 26

What BPE codes require radiographs? (2)

Answer 26

Radiographs to assess alveolar bone levels for BPE codes 3 + 4

Question 27

Function of a single tufted brush?

Answer 27

Ideal for cleaning around implants, ortho appliances, crown and bridgework as well as difficult to reach areas

Question 28

When would a 6PPC be used?

Answer 28

BPE code of 3, 4 and *require further investigation and detailed periodontal charting

Question 29

What does a 6PPC record (6)

Answer 29

1. Probing depth 2. Bleeding on probing 3. Gingival margin 4. Loss of attachment 5. Mobility 6. Furcation involvement

Question 30

What is the minimum requirement for a 6PPC?

Answer 30

Record all sites > or = 4mm probing depth and bleeding on probing

Question 31

What does the probing depth measure?

Answer 31

Base of the gingival crevice to the gingival margins

Question 32

What does recession measure?

Answer 32

Gingival margin to the CEJ

Question 33

How is loss of attachment measured?

Answer 33

Probing depth + recession

Question 34

What are the 6 sites around the teeth?

Answer 34

- Distobuccal - Midbuccal - Mesiobuccal - Distopalatal - Midpalatal - Mesiopalatal

Question 35

Name the probe used for furcation involvement

Answer 35

Nabers probe - Colour banding between 3 to 6mm and 9 to 12mm

Question 36

Furcation grading 1

Answer 36

- Initial furcation involvement on probing | - Involvement is less than 1/3rd of the tooth width

Question 37

Furcation grading 2

Answer 37

- Partial furcation involvement | - Loss of tooth support exceeds 1/3rd of the tooth width but does not include the total width of the furcation

Question 38

Furcation grading 3

Answer 38

- Through and through involvement | - Probe can pass through the entire furcation

Question 39

How is horizontal tooth mobility measured?

Answer 39

Using 2 rigid instrument handles or the index finger and an instrument handle

Question 40

Tooth mobility grade 0

Answer 40

- Physiological mobility measured at crown level | - The tooth is mobile to approx 0.1-0.2mm in a horizontal direction

Question 41

Tooth mobility grade 1

Answer 41

- Increased mobility of the crown of the tooth | - At the most 1mm in a horizontal direction

Question 42

Tooth mobility grade 2

Answer 42

- Visually increased mobility of the crown exceeding 1mm in a horizontal direction

Question 43

Tooth mobility grade 3

Answer 43

- Severe mobility of the crown of the tooth in both horizontal and vertical directions impinging on tooth function