about dental hand pice

1. dental handpiece
Shervin Golshekan
420i-1b

2. What Types of Dental Handpiece Systems
Are Available?
 Highspeed Air-Driven Handpieces.
 Lowspeed Air-Driven Handpieces.
 Electric Dental Handpieces.
 Air-Driven Surgical Handpieces.
 Electric Surgical Handpieces.
 Hygiene Handpieces.
 Dental Laboratory Handpieces.
 Portable Handpiece Systems.

3. What are the two most common types of
dental handpiece?
 Dental handpiece types – air turbine versus electrical
There are two systems for powering handpieces: air turbine and electrical.
Air driven handpieces contain an air-driven spinning turbine to generate
rotation, and are powered by compressed air. They can reach speeds of up to
400,000 rpm with a variable torque.

4. What is high speed handpiece Dental?
 High speed handpieces. The high speed handpiece is a precision device for
removal of tooth tissue efficiently and rapidly with no pressure, heat or
vibration and cut the tooth like butter. However these handpieces have to be
used with caution

5. What type of handpiece is used in oral
surgery?
 Contra-angle handpieces are generally used for operative procedures
such as the removal of dental caries and for polishing enamel and
restorative materials intraorally. Straight handpieces are used in oral
surgical procedures or for the extraoral adjustment and polishing of
acrylic and metals.
A dental drill or handpiece is a hand-held,
mechanical instrument used to perform a variety of
common dental procedures, including removing
decay, polishing fillings, performing cosmetic
dentistry, and altering prostheses

6. What are the three basic parts of a dental
handpiece?
 Three basic parts to a rotary instrument:
 Shank: Portion that fits into the handpiece.
 Neck: Portion of the rotary instrument that connects the shank and the head.
 Head: The cutting, polishing, or finishing portion.

7.  Which handpiece is used for minor oral
surgery?
 First 45° contra-angle handpiece for oral surgery.
What is the chuck on a handpiece?
 Chuck. The part in the handpiece turbine used to hold the bur.