Instrumentation

Question 1

What requires more pinch force?

Answer 1

Heavier or smaller diameter

Question 2

Simple shank is

Answer 2

bent in one plane

Question 3

Is Gracey 7/8 simple or complex?

Answer 3

imple

Question 4

Where are simple shanks used?

Answer 4

in anteriors

Question 5

What are complex shanks?

Answer 5

Bent in multiple planes

Question 6

Complex shanks allow easier access and adaptation to

Answer 6

posteriors

Question 7

Is Gracey 13/14 simple or complex?

Answer 7

Complex

Question 8

What does shank diameter affect?

Answer 8

Amount of pressure that can be places

Question 9

Thicker shank–>

Answer 9

More lateral pressure

Question 10

Thinner shank–>

Answer 10

More flexible and less lateral pressure

Question 11

Rigid shanks are more effective in

Answer 11

removing calculus

Question 12

What does the functional shank allow?

Answer 12

for the working end to be adapted to tooth surface

Question 13

Shorter functional shanks are used

Answer 13

supragingivally

Question 14

Scalers are used

Answer 14

supragingivally

Question 15

What instruments have a tip?

Answer 15

Scalers

Question 16

What instruments have a toe?

Answer 16

Curete

Question 17

Probes and explorers have _____ of working end

Answer 17

no activation

Question 18

What is the cross section of the working end of a supragingival ickle scaler?

Answer 18

Triangular

Question 19

What is the cross section of a curette?

Answer 19

Semi-circular in cross section and has rounded back and toe

Question 20

Gracey curettes are

Answer 20

site specific

Question 21

If double ended instrument, first number identifies the working end to the

Answer 21

left

Question 22

Why do we use plastic probes for implants?

Answer 22

Don’t want to damage the metal surface

Question 23

Where do you place the fulcrum?

Answer 23

On opposite side of tooth surface working on

Question 24

Modified pen grasp will

Answer 24

improve precision, accuracy and control of stroke

Question 25

Hand and wrist is rotated while

Answer 25

fulcrum finger is pressing down on point

Question 26

How many zones are probed per tooth?

Answer 26

6

Question 27

What probing pressure is ideal?

Answer 27

20-25g

Question 28

What are common errors in periodic probing?

Answer 28

- Incorrect positioning due to calculus, overhangs, bulky crowns - Incorrect angulation - probe tip in gingival tissues - Too much or too little probing pressure - Misreading probe

Question 29

Interproximal is probed from both

Answer 29

facial and lingual

Question 30

Perio explorers are used to

Answer 30

detect calculus thru tactile sensation, texture of root and determine completeness of debridement

Question 31

What part of perio explorer do you use to detect calculus?

Answer 31

Side of explorer, not the tip

Question 32

Assessment stroke: Moved forward using

Answer 32

vertical or oblique strokes

Question 33

What do you use to probe furcation?

Answer 33

Curved #2 nabers probe

Question 34

Where do you measure the M and D furcations from?

Answer 34

Palatal

Question 35

Grade 1 furcation

Answer 35

horizontal <3mm

Question 36

Grade 2 furcation

Answer 36

Horizontal >3mm

Question 37

Grade 3 furcation

Answer 37

through and through furcation involvement

Question 38

Scalers are used to

Answer 38

remove calculus from crowns

Question 39

The straight profile of scalers makes it difficult to

Answer 39

adapt to curved root surfaces

Question 40

How many cutting surfaces do sickle scalers have?

Answer 40

2 that converge to a point

Question 41

In a sickle scaler, face is perpendicular to the

Answer 41

terminal shank

Question 42

A curved scaler is

Answer 42

sickle

Question 43

a straight scaler is

Answer 43

jacquette

Question 44

What sickle scaler is used for anterior teeth?

Answer 44

H5/33

Question 45

What scalers are used for posterior teeth?

Answer 45

- Jacquette 31/32 - 204 scaler

Question 46

How many cutting edges do universal curettes have?

Answer 46

2, one on each side of the instrument face

Question 47

Where can universal curettes be used?

Answer 47

In most areas, anterior and posterior by altering and adapting finger rest, fulcrum and hand position

Question 48

How is the blade face oriented in universal curettes?

Answer 48

90 degrees to terminal shank

Question 49

What are examples of universal curettes?

Answer 49

Columbia 13/14, 4R/4L

Question 50

What is the cross section of a universal curette?

Answer 50

Semi circular

Question 51

Describe working end of universal curette

Answer 51

rounded back and toe. 2 cutting edges per working end

Question 52

Describe how face is oriented in a universal curette

Answer 52

90 degree to terminal so cutting edges are level with one another

Question 53

With site specific curettes, blade face offset is

Answer 53

70 degrees from terminal shank

Question 54

With site specific curettes, terminal shank is held

Answer 54

parallel to long axis of tooth

Question 55

How many active cutting edges are in site specific curettes?

Answer 55

1 (lower edge)

Question 56

Lower # site specific curettes have more

Answer 56

simple shank and are used on anteriors and B/L of posteriors

Question 57

Higher # site specific curettes have

Answer 57

complex shank and are used on posteriors

Question 58

Describe terminal shank of after 5 Gracey

Answer 58

3mm longer than standard

Question 59

If R handed operator is sitting at 8, what can they do?

Answer 59

Anterior surfaces towards

Question 60

If R handed operator is sitting at 9, what can they do?

Answer 60

Posterior surfaces towards

Question 61

If R handed operator sits between 10 and 11, what can they do?

Answer 61

Posterior surfaces away

Question 62

If R handed operator sits between 11 and 1, what can they do?

Answer 62

Anterior surfaces away