What is a Low (Slow) Speed Handpiece? A hand held motor, usually air-driven (can also be electric), that spins a cutting bur or prophy cup at 50,000 RPM or less. Used for removal of caries, refining a cavity preparation, performing prophylaxis, and other endodontic and implant procedures.
What are high speed handpieces used for?
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.Feb 26, 2014
What is a high speed dental handpiece?
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.Feb 26, 2014
How do you keep a slow speed handpiece?
Handpieces need regular application of lubricant in order to avoid quick degradation. Place a few drops of lubricant into the drive air hole of the handpieces and run the handpiece on slow speed until the only lubricant comes out of the head. Then continue to expel any excess lubricant through bearings and chuck.Jul 31, 2019
What is the speed of a high speed handpiece?
High-speed handpieces are often referred to as turbines which work in conjunction with a bur, a rotary cutting tool (like a drill and a drill bit). High-speed handpieces rotate the bur / rotary cutting tool at speeds of approx. between 200k rpm and 450k rpm, hence the name high-speed!Jun 15, 2020
What are the speed ranges of air-driven handpieces?
Torque is expressed as watts and is an indication of “cutting power.” Air-driven handpieces can have high speeds. These speeds vary between 250,000 and 420,000 rpm. But the torque of these handpieces is low, in the range of 20 watts.Sep 13, 2017
Which operating speed range in rpm is a straight handpiece?
1,000 rpm to 80,000 rpm
How do you sterilize a slow speed handpiece?
Sterilization Instructions: MTI Dental Products recommends steam autoclave sterilization of dental handpieces, motors and related attachments. Do not use chemiclave or dry heat sterilizationdry heat sterilizationThe proper time and temperature for dry heat sterilization is 160 °C (320 °F) for 2 hours or 170 °C (340 °F) for 1 hour or in the case of High Velocity Hot Air sterilisers 190°C (375°F) for 6 to 12 minutes. Items should be dry before sterilization since water will interfere with the process.https://en.wikipedia.org › wiki › Dry_heat_sterilizationDry heat sterilization - Wikipedia. Nose cones, contra angles, and latch heads should be detached from motor and bagged separately for sterilization.
Do slow speed handpieces need to be sterilized?
Yes, slow-speed handpieces must be heat-sterilized in between every patient. ... Compliance with CDC recommendations is best achieved by purchasing multiple handpieces to allow time to heat sterilize each handpiece between every patient.
How are dental handpieces cleaned?
Cleaning your handpiece surface Flush water through handpiece for 30seconds in the operatory to clean out the internal water line. Don't immerse handpiece in water, a chemical solution (disinfectant) or ultrasonic cleaner. Dry the handpiece thoroughly using gauze, paper towel or air syringe.Jul 31, 2019
What three attachments are used on the low speed handpiece?
Low-Speed Handpiece-cont'd All rights reserved. Straight attachment receives a long‑shank laboratory bur, the contra-angle attachment, and the prophy angle attachment. Contra-angle attachment receives latch type rotary instruments and mandrel.
What is the slow speed handpiece used for?
Low-speed handpieces are used for the removal of soft decay, finishing cavity preparation, polishing, trimming and prophy work.Jun 15, 2020
What is the use of the contra-angle attachment of the slow handpiece?
A 1:1 slow-speed contra-angle attachment (runs from very low speed to about 40,000 rpm) is used for finishing restorations with carbides or diamond rotary instruments, disking, post channels, pin placement, and other slow-speed tasks that require a latch-type shank.Jul 1, 2017