G. Mod. 3 Instrument Grasp

Question 1

Why is the Modified pen grasp important? (3)

Answer 1

Allows for precise control
Detection of rough areas on tooth surface
Lessens mucoskeletal stress

Question 2

Parts of Periodontal Instrument

Answer 2

1. Handle- used to hold
2. Shank- rod shaped length of metal located between handle and working end of instrument
   -generally circular and smooth
   -may be straight or bent in some places
3. Working End- may be sharp or flattened
   -Can appear wire like, look like a tiny ruler, or even a small mirror
   -1 or 2 ends

Question 3

Index and Thumb

Placement
Function

Answer 3

Placement: on handle, opposite each other @ or near junction of handle and shank

Function: hold instrument

Question 4

Middle finger

Placement and function

Answer 4

Placement: rests LIGHTLY against shank

Function: helps to guide working end
Feels vibrations from working end to shank

Question 5

Ring finger

Placement and function

Answer 5

Fulcrum

Placement: on tooth (incisal or occlusal edge), ahead of the other fingers in the grasp (1-4 fingers away)

Function: stabilizes and supports the hand for control and strength

Question 6

Little finger

Answer 6

No function but needs to be held near ring finger

Question 7

Proper glove fit
Why is it important?

Answer 7

Important to avoid muscle strain during instrumentation
Loose fitting across palm and wrist areas

Question 8

What does a successful instrumentation technique depend on?

Answer 8

Precise placement of each finger in modified pen grasp

Question 9

Do nitrile or latex gloves provide more grip function?

Answer 9

Nitrile

Question 10

Proprioception

Answer 10

Persons ability to sense their body, it’s position and movement through space