Calculus Removal Stroke Exam 3

Question 1

Calculus removal stroke: Angulation for insertion

Answer 1

40 degrees

Question 2

Calculus removal stroke: Angulation for calculus removal stroke

Answer 2

60 degrees- 80 degrees

70 degree ideal

Question 3

For insertion angulation of caclulculus removal instrument should you use a

1. Close angle
2. Open angle

Answer 3

Close angle

Question 4

Open angle is allowed during

1. Activation
2. Insertion

Answer 4

Activation

Question 5

After activating a calculus removal stroke it is important to ___ hand

Answer 5

RELAX

Question 6

___ motion while applying pressure with calc removal instruments during activation

Answer 6

wrist

Question 7

• During activation stroke a clinician has a open angle of >80 and then starts using not opened enough angle <60

This is going to lead to?

Answer 7

Burnished calculus
Uncontrolled activation-slipping
Tissue trauma

Question 8

Angulation established for activation

When utilizing an area specific curet, the terminal shank will be ___ to the long axis of the tooth when the correct angulation for activation has been established.

Answer 8

parallel

Question 9

Lateral Pressure:

Pressure exerted by the ____ or ___ against the instrument handle during the calculus removal stroke

Answer 9

thumb or index

Question 10

Lateral pressure allows the cutting edge to be “locked” onto the tooth surface ___ to the calculus deposit.

Answer 10

apical

Question 11

While activating and removing calculus you must be applying pressure with the ___ equal to lateral pressure

Answer 11

fulcrum

Question 12

Stroke Activation is a ___ MOTION and ___ on FULCRUM

Answer 12

wrist

pivot

Question 13

Calculus removal is 1-2mm controlled ___

a. Chip
b. bite
c. shave

Answer 13

Bite