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BDS 2 OSCE > Perio > Flashcards

Perio Flashcards

1
Q

Describe the Mini Sickle

A

Red
Double ended point scales with two cutting edges on each blade
Triangular cross-section
Used in buccal and lingual surfaces supragingivally

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2
Q

Describe the Colombia Curette

A

Red
Double ended universal curette with two cutting edges on each blade
Semi-circular cross section
Used subgingivally anywhere in the mouth but with limited access to deep pockets

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3
Q

Describe the Grey Gracey Curette (1-2)

A

Double ended curette, each blade having a single cutting edge
Used for fine/deep subgingival scaling of anterior teeth

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4
Q

Describe the Green Gracey Curette (7-8)

A

Double ended, each blade having a single cutting edge

Used for fine/deep scaling of buccal and lingual surfaces of posterior teeth

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5
Q

Describe the Orange Gracey Curette (11-12)

A

Double ended curette, each blade having a single cutting edge
Used for fine/deep subgingival scaling of mesial surfaces of posterior teeth

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6
Q

Describe the Blue Gracey Curette (13-14)

A

Double ended curette, each blade having a single cutting edge
Used for fine/deep subgingival scaling of distal surfaces of posterior teeth

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7
Q

Describe the Yellow Hoe Scaler (134-135)

A

Double ended scaler, each blade having a single cutting edge

Used for gross supra and subgingival scaling on buccal and lingual surfaces

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8
Q

Describe the Red Hoe Scaler (156-157)

A

Double ended scaler, each blade having a single cutting edge

Used for gross supra and subgingival scaling on mesial and distal surfaces

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9
Q

In Gracey Curettes, what’s the angle between the lower shank and the face of the blade?

A

110°

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10
Q

In Gracey Curettes, what’s the angle between the face of the blade and the tooth?

A

70°

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11
Q

In Hoe Scalers, what’s the angle between the lower shank and the face of the blade?

A

100°

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12
Q

In Hoe Scalers, what angle is the cutting edge bevelled at?

A

45°

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13
Q

What different probes are used in perio patients?

A 
CPITN/BPE Probe
PCP 12 Probe
UNC Probe
William’s Probe
Naber’s Probe
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14
Q

Describe a BPE Probe

A

0.5mm ball point end

Black band from 3.5 - 5.5mm

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15
Q

Describe a PCP 12 Probe and state when it is used

A

Black bands from 3-6mm and 9-12mm

Used for 6 point pocket charts

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16
Q

Describe a UNC probe

A

Bands every mm from 1-15

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17
Q

Describe a William’s probe

A

Black bands from 1-3, 5 and 7-10mm

18
Q

What is a Naber’s probe used for

A

Used for measuring furcation areas

19
Q

Describe a BPE score of 0

A 
Black band of CPITN probe is completely visible
No probing depths of >3.5mm
No bleeding on probing
No plaque retentive factors
No need for periodontal treatment
20
Q

Describe a BPE score of 0

A 
Black band of CPITN probe is still completely visible
No probing depths >3.5mm
No plaque retentive factors
No bleeding on probing
No need for periodontal treatment
21
Q

Describe a BPE score of 1

A 
Black band of CPITN probe is still completely visible
No probing depths >3.5mm
No plaque retentive factors
Bleeding on probing
Treatment - OHI
22
Q

Describe a BPE score of 2

A

Black band of CPITN probe still completely visible
No probing depths of >3.5mm
Plaque retentive factors
Bleeding on probing
Treatment - OHI, removal of plaque retentive factors including all supra and subgingival calculus

23
Q

Describe a BPE score of 3

A 
Black band of CPITN probe partially visible
Probing depths of between 3.5 and 5.5mm
Bleeding can occur
Plaque retentive factors often present
Treatment - OHI, RSD
24
Q

Describe a BPE score of 4

A

Black band of CPITN probe no longer visible
Probing depths greater than 6mm
Bleeding can occur
Plaque retentive factors often present
Treatment - OHI, RSD, assess the need for more complex treatment, referral to a specialist may be needed

25
Q

Describe furcation involvement and how it’s treated

A

Measure of intra-radicular bone loss
Use a Naber’s probe to assess and grade it 1-3
Treatment - OHI, RSD, assess the need for more complex treatment, referral to a specialist may be required

26
Q

What is a 6 point pocket chart?

A

A specialist investigation used to gather more information about the level of periodontal disease the patient has

27
Q

When should a 6PPC be taken?

A

A full mouth 6PPC if any sextant scores a BPE 4/* or if more than one sextant scores a BPE 3

28
Q

Which teeth surfaces are examined in a 6PPC?

A

Palatal/Lingual:
Mesial
Distal
Mid

Buccal:
Mesial
Mid
Distal

29
Q

What does a 6PPC Measure?

A 
Position of Gingival Margin
Probing Depths
Clinical Attachment Loss
Bleeding on Probing
Mobility
Furcation Involvement
30
Q

What is there position of the gingival margin and how is it measured?

A

Where the gingiva sits in relation to the ACJ

Measured using the PCP12 probe

31
Q

What are probing depths and how are they measured?

A

The depth of the periodontal pocket being measured

Measure from the base of the pocket to the gingival margin using a PCP12 probe

32
Q

What is Clinical Attachment Loss?

A

A measure of how much supporting tissue attachment has been lost in relation to periodontal health where there would be little/no attachment loss

33
Q

How is clinical attachment loss calculated?

A

By adding the position of the gingival margin to the probing depths

34
Q

What is important to note during the calculation of clinical attachment loss?

A

Sometimes the gingival margin can sit coronal to the ACJ (swelling hyperplasia etc.)
In this case, the position of the gingival margin is given a negative value

35
Q

How is tooth mobility measured?

A

With the ends of two rigid instruments eg - mirror and probe, or with one instrument and a finger

36
Q

Describe a tooth mobility score of 0

A

‘Physiological’ mobility measured at the crown level

The tooth is mobile within the alveolus to approximately 0.1 - 0.2mm in a horizontal direction

37
Q

Describe a tooth mobility score of 1

A

Increased mobility of the crown of the tooth, at the most, 1mm in a horizontal direction

38
Q

Describe a tooth mobility score of 2

A

Visuallly increased mobility of the crown of the tooth exceeding 1mm in a horizontal direction

39
Q

Describe a tooth mobility score of 3

A

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

40
Q

How is furcation involvement measured?

A

In thirds:
Grade 1 = 1/3 of the tooth width
Grade 2 = 2/3 of the tooth width
Grade 3 = 3/3 or 100% of the tooth width

BDS 2 OSCE (24 decks)

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