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FCSP > Instrument Design And Recognition > Flashcards

Instrument Design And Recognition Flashcards

1
Q

Three basic parts of instrument

A

Working end
Shank
Handle

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2
Q

Structure of dental instrument handle

A

Ergonomic (looks after clinician)
Evenly weighted
Flexibility/rigidity (dependent on handle type)
Textures (mesh, dots, metal, silicone)

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3
Q

What shank type forms the bent section nearest working end?

A

Lower terminal shank

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4
Q

What type of shank extends from 1st bend from handle, up to working end?

A

Functional shank

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5
Q

What is a simple shank and where is it used?

A

Not many bends, pretty straight.
Anterior teeth

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6
Q

What is a complex shank and where is it used?

A

More bends than a simple shank to aid with access.
Posterior teeth.

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7
Q

What scaler has a pointed tip?

A

Sickle scaler

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8
Q

What scaler has a rounded toe end?

A

Curette

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9
Q

Micro anatomy of the working end

A

Face/back
Lateral surface
Cutting edge
Toe/tip
Middle and heel

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10
Q

What creates the cutting edge(s)

A

1 or 2 lateral surfaces + face = cutting edges

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11
Q

What surface of the scaler do you use to debride

A

Cutting edges

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12
Q

What section of the instrument does most of the work

A

First 3mm of cutting edge

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13
Q

Structure of a sickle scaler

A

Triangular
Pointed back
Blade 90 degrees towards shank
2 cutting edges
Cutting edges meet at pointed tip

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14
Q

Structure of universal curette

A

Rounded back
Semi circular in cross section
Blade 90 degrees towards shank
2 cutting edges
Cutting edges meet at rounded toe
Spoon shaped working end

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15
Q

Assessment periodontal instruments

A

Periodontal probes
Explorers

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16
Q

Structure of periodontal probes

A

Rod shaped working end
Smooth round tip
Round or rectangle in cross section
Instrument of measuring or evaluation

17
Q

Structure of explorers

A

Fine, wire like working end
Sharp point
Circular in cross section
Caries detection
Used to determine location and extent of calculus deposits
More flexible shank

18
Q

What is a simple sickle scaler?

A

H6/7

19
Q

What sickle scaler has a bigger shank and more complex?

A

M23

20
Q

Where should sickle scalers be used?

A

Supra gingival, in gingival sulcus, not on root surfaces.

21
Q

Where can universal curettes be used?

A

Supra and sub gingivally, light to moderately sized calculus (better suited for sub).
Can be inserted into periodontal pockets without causing trauma due to rounded shape.

22
Q

Structure of site specific curettes

A

Rounded back
Rounded toe
Semi circular in cross section
One cutting edge per working end
Long and complex shank design

23
Q

Degree of blade on a gracey curette

A

70 degrees

24
Q

What gracey curettes are site specific to incisors

A

Gracey 1/2 (grey)
Gracey 5/6 (yellow)

25
Q

Structure of gracey 1/2

A

Simple shank
Small working end
Rounded toe
1 cutting edge
Sub gingival edge

26
Q

Structure of gracey 5/6

A

Same as 1/2 although has a longer working end

27
Q

What gracey is used for buccal and lingual/palatal surfaces on premolars and molars?

A

Gracey 9/10
Red

28
Q

Structure of gracey 9/10 and where are they used

A

Simple shank but large in length and breadth.
Lingual/palatal and buccal premolars and molars

29
Q

What gracey is used for Mesial surfaces on posterior teeth?

A

Gracey 11/12
Orange

30
Q

Structure of gracey 11/12 and where is it used

A

Paired instrument with gracey 13/14
Long and complex shank (less complex than 13/14)
Mesial surfaces of posterior teeth

31
Q

What gracey is used for distal surfaces of posterior teeth?

A

Gracey 13/14
Purple

32
Q

Structure of gracey 13/14 and where is it used

A

Paired with gracey 11/12.
More complex shank than gracey 11/12.
Distal surfaces on posterior teeth

33
Q

What do instruments require to be effective

A

Maintenance and care

FCSP (10 decks)

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