Quiz 5 (Instruments) Flashcards
THe portion of a hand tool that contacts the tooth surface is the _________.
Working end
Regarding calculus removal forceps, which is not true
They allow for detailed removal of small pieces of calculus
T/F Sharp instruments slide smoothly over the sharpening stick surface
FALSE
Periodontal probes
(All of these) have markings at measured intervals, may be used below the gum line, and are usually attached to the other end of an explorer.
The high-speed hand piece turns at _____________ rpm.
300,000 - 400,000
The ultrasonic piezoelectric scaler vibrates at _________ cycles per second.
25,000 - 45,000
T/F The beaver tail ultrasonic scaler tip is used for supragingival cleaning
True
Power scalers….
(All of these)
1) May be sonic, converting air pressure into mechanical vibration
2) may be ultrasonic, converting sound waves into mechanical vibration
3) Convert electric or pneumatic energy into mechanical vibration.
This instrument is used for tactile examination of supragingival tooth surfaces.
Explorer
All of the following are types of dental explorers except:
Curved
All of the following are true regarding dental hand instruments except:
They are powered by air compressors
Which is not a part of a dental hand tool?
Point
Regarding the low-speed hand piece, which of the following statements is not true?
Uses burns to cut teeth
A dental scaler has all the following qualities except:
A rounded toe
Regarding dental machines, all of the following are true except:
Low-speed handpieces must be lubricated daily with WD-40
