Rotary Instrument Flashcards
1
Q
How many speed level does it have?
A
Low speed
Medium speed
High speed
2
Q
How does a low-speed handpiece operate?
A
Less than 12 000 rpm
3
Q
What does a low-speed instrument use for?
A
Cleaning teeth
Finishing and polishing restoration
4
Q
How does a high-speed handpiece operate?
A
More than 200 000 rpm
5
Q
What does a high-speed instrument use for?
A
Tooth preparation for fillings and crowns
6
Q
What are the extra tools does high-speed instrument have?
A
Fiber optic light
Operate with air water spray
7
Q
How does a medium-speed instrument operate?
A
Between 12 000 - 200 000 rpm
8
Q
What can control a medium-speed handpiece?
A
Foot pedal
