38 • User Guide
3 Maintenance and Service
Warning!
Do not treat patients during maintenance or service.
3.1 Cleaning, Disinfecting and Sterilisation
Warning!
Be cautious when using flammable disinfection/cleaning agents because of the risk
of fire. Do not smoke or handle fire when handling flammable agents.
Always use only products which are designed for the particular task being performed. Fol-
low the product’s instructions. Pay especially attention to the disinfection duration of each
type of product. Not disinfecting long enough increases the risk of infection while disinfec-
tion lasting long may increase the risk of equipment damage.
3.1.1 Instrument Disinfecting and Sterilisation
Warning!
Using instruments which are not disinfected or sterilised may cause infection
hazard to the patient or operator. Follow the instrument manufacturer’s instructions
on disinfection and sterilisation.
All dental instruments that are heat-resistant should be sterilised after each use by steam
under pressure (autoclaving), dry heat, or chemical vapour. Before sterilisation or disinfec-
tion, instruments must be cleaned of any debris.
3.1.2 Prior to Treatment
Warning!
Before treatment, make sure there is water and not disinfecting liquid in the clean
water bottle.
Replace silicone covers on the instrument bridge and on the suction head. Used covers
are sterilised with an autoclave or disinfected by other suitable means, such as thermal
disinfector.
All touchable surfaces (including handles, hoses, armrests, and headrest) are disinfected
with a suitable cleaning/disinfecting liquid.
Instruments are disinfected according to the manufacturer’s instructions.
3.1.3 Daily
Let the water flow through the instruments and cuspidor bowl for at least 3 minutes before
treatment of the first patient.
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