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FAQ - Instrument Processing - 2016
 FAQ -  Instrument Processing - 2016



Do cassettes need to be standing up AND spaced in an ultrasonic tank? We recently received a new ultrasonic bath that is too short for our cassettes to stand up. A coworker would like to lay them down flat and stack them in the tank. Also, can we stack wrapped cassettes on top of each other in an autoclave? We have a Brand A, so if we space them, we can only fit four cassettes, but if we stack them on each shelf where they are touching, we can fit eight. Thank you! 

Some relevant excerpts from
Infection Control and Management of Hazardous Materials for the Dental Team include:

Ultrasonic cleaning, compared with scrubbing instruments by hand, reduces direct handling of the contaminated instruments and the chances for cuts and punctures. 1


These cleaners can accommodate any office or clinic and can process instruments that are loose or in cassettes. One always should use a cleaning basket or cassette rack eliminates the need to scoop up instruments by hand at the end of the cycle. Operate the unit with the cover in place to reduce the noise level and keep dust from further contaminating the cleaning solution. Follow the manufacturer’s directions for proper use. 1

Two things to be noted are the need to keep hand contact to a minimum during the instrument processing procedure and the need to follow manufacturer’s directions for proper use. Additionally, Ask OSAP does not review, evaluate, certify, recommend or endorse products. Ask OSAP also does not provide technical support for specific products. If you have further questions about procedures and specific products it is recommended that you consult with the manufacturer’s written instruction manual and/or contact the manufacturer of your product. In this instance, it is recommended that you contact the manufacturer of the ultrasonic cleaner and autoclave for further information regarding proper operating procedures for these units.


1)     Miller CH. Infection Control and Management of Hazardous Materials for the Dental Team, 5th edition. Elsevier/Mosby Publishers. Pages 124-125.







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