Dental Hand Instruments
Instrument Classification
Burs
High Speed
Low Speed
100

Which handpiece is considered the most versatile handpiece used in dentistry?

Low-speed handpiece

100
This set of instruments allows the operator to thoroughly examine the health status of the oral cavity.
What is Examination Instruments.
100
This bur is used for initial entry into the tooth structure, extends preparation, retention, and removes decay. Series of numbers are 1/4, 1/2, 1-8, 10.
What is the round bur.
100

The high speed handpiece operates from air pressure and reaches speeds up to ________ rpm.

What is 450,000.

100

Lowspeed Handpieces are not sterilized because they are not used as much as Highspeed handpieces. True/False

What is FALSE!! anything that is open to use with a patient has to be sterilized weather if it was used or not. The only thing that is debatable is the oiling it because it depends on if it was ran or not.

200

What type of dental instruments are more often referred to by number than by name?

What is pliers and forceps.

200
This set of instruments allows the operator to place, condense, and carve a dental material to the original anatomy of the tooth structure.
What is restorative instruments.
200

This bur removes decay and establishes retentive grooves. Series of numbers are 33 1/2, 34-39, 36L, 37L.

What is Inverted Cone.

200
How is the tooth kept cool and clean during a use of the high speed handpiece?
What is water.
200
At what rpm does the low speed range from?
What is 10,000 to 30,000 rpm's.
300
This man designed a formula that describes the angulations and dimensions of the working end of a hand instruments.
Who is G.V. Black
300

This set of instruments allows the operator to remove decay manually and to smooth, finish, and prepare the tooth structure for its final restoration.

What is Hand cutting instruments.

300
This bur helps in forming the internal walls of the preparation. Series of numbers are 556-560, 567L, 568L.
What is Straight fissure cross-cut.
300
What type of bur locking system is found on the high speed handpiece?
What is friction-grip.
300

The three types of attachments for the low speed handpiece are?

What is Straight attachment, contra-angle attachment, and the prophylaxis angle.

400
This instrument has four main uses including indirect vision, light reflection, retraction, and tissue protection.
What is a mouth mirror.
400

9. This type of instruments are miscellaneous instruments and items that are used to complete a procedure.

What is Accessory instruments.

400
14. This bur helps in providing angles to the walls of the prepared tooth. Series of numbers are 169-172, 169L, 170L, 171L.
What is Tapered Fissure plain cut.
400
This feature is found on some high speed handpieces to help dentists see better in the oral cavity.
What is fiberoptic lighting.
400

This attachment holds latch-type rotary instruments, endo files, prophylaxis cups, and mandrels.

What is Contra-Angle attachment.

500
This is the most convenient and efficient ways to organize instruments and supplies for specific procedures.
What is color coding systems.
500
In what sequence are instruments set up on the tray using the instrument classification?
What is basic set up, examination instruments, then hand cutting instruments, restorative instruments and then any accessory items.
500

13. This bur provides initial entry into tooth structure and extends the preparation. Series of numbers 330-333, 331L.

What is Pear.

500

The high speed handpiece can generate what type of heat on a tooth which may result in damage to the pulp.

What is frictional heat.

500

The low speed has two sizes what are they?

What is standard length and shorty (small).

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