#2 Instrumentation

Question 1

Identify the 3 major parts of an instrument:

Answer 1

Handle
Shank
Working End

Question 2

Handle

Answer 2

Grip, tactile sensitivity (vibrations)

Question 3

Shank

Answer 3

Attaches working end to handle

Question 4

Working End

Answer 4

Blade, carries out function

Question 5

Assessment Instruments

Answer 5

[Examination]
Mirrors
Explorers
Probes

Question 6

Removal Instruments

Answer 6

[Treatment]
Curets - universal/specific 
Scalers 
Finishing 
Implant 
Ultrasonic

Question 7

Modified Pen Grasp - 3 Functions

Answer 7

Increase tactile sensitivity
Allows for movement around tooth
Applying appropriate pressure

Question 8

Fulcrum - 6 Functions

Answer 8

Increase leverage 
Stability 
Control 
Prevent Injury 
Comfort 
Access

Question 9

Adaptation

Answer 9

Correct relation of working end and tooth surface

Question 10

Angulation

Answer 10

Angle formed by blade face & tooth surface

Question 11

Lateral Pressure

Answer 11

Pressure of blade on tooth surface

Question 12

Activation

Answer 12

Action of instrument performing designed task

Question 13

Parallel

Answer 13

= side by side

Question 14

Perpendicular

Answer 14

+ creates right angle

Question 15

Well adapted instrument - Characteristics

Answer 15

Lower third always in contact w tooth
Closed angulation
Parallel terminal shank

Question 16

Stroke types (4)

Answer 16

Vertical
Horizontal
Oblique
Circumferential

Question 17

Exploratory Stroke

Answer 17

[assessment] Light grasp; To gain tactile feedback/sensitivity

Question 18

Working Stroke

Answer 18

[removal] Increased pressure - short, well controlled, pull strokes

Question 19

Components of a Blade (6)

Answer 19

Lower (terminal) shank
Face
Lateral Surfaces 
Back 
Toe or Tip 
Blade (cutting edge)

Question 20

Scalers

Answer 20

Has tip (point)
Removes supragigival proximal calculus
Universal
2 functional cutting edges

Question 21

Curets

Answer 21

Round toe
Removes supra and subgigival calculus
2 types : Area Specific and Universal

Question 22

Universal Curets

Answer 22

[Langers]
Terminal shank is 90* to face (+)
Two functional blades/working ends

Question 23

Area Specific Curet

Answer 23

[Gracey]
Offset angulation 70*
One functional cutting edge (lower)

Question 24

Terminal Shank

Answer 24

Lower shank

After last bend to tip/toe

Question 25

Face of blade

Answer 25

Area between cutting edges

Question 26

Back of blade

Answer 26

Underside

Question 27

Toe / Tip

Answer 27

End of the blade shape

Question 28

Lateral surface

Answer 28

Sides of the blade

Question 29

Cutting edge

Answer 29

The blade

Question 30

Straight Shank

Answer 30

Anterior

Narrow defects

Question 31

Angled Shank

Answer 31

Posterior

Crowded areas

Question 32

Proper Angulations

Answer 32

CLOSED    =   0*
WORKING = 40-70*
OPEN        =  90*

Question 33

Adequate Vision/Accessibility

Answer 33

Maintain Basic Principals Instrumentation

Neutral Positioning/Ergonomics to prevent RSI

Question 34

Stroke Types

Answer 34

Assessment Strokes
Calculus Removal Strokes
Root Debridement Strokes