5 Processing according to ISO 17664
5.1 Processing at the location of use
WARNING
Risk of infection due to non-sterile instruments.
→ Always wear gloves.
WARNING
Process the instrument within one hour after each treatment in order to prevent piling.
Immediately remove any debris of cement, blood or composite.
Ensure a dry transport of the instrument to the place of processing.
Do not put the instrument in any kind of solution.
5.2 Cleaning
WARNING
Dysfunctions due to cleanings in an ultrasonic bath
→ Only clean the instrument as described below.
WARNING
5.2.1 Manual pre-cleaning
CAUTION
Risk of infection due to multiple uses of dental brushes
→ To prevent cross infections always use a new dental brush for each instrument.
CAUTION
CAUTION
Insufficient cleaning of the surface and the water- and air pipes
→ In order to ensure a successful cleaning a thorough manual pre-cleaning, even with the small brush, must be done.
CAUTION
Tools:
- Drinkable water 30 °C ± 5 °C (86 °F ± 10 °F)
- Brush or soft tooth brush
- Dental brush
- 50 ml syringe without cannula
To pre-clean the instrument place it under running water and carefully brush debris completely off the surface by using one of the tools
mentioned above.
To pre-clean the spindle, please insert the dental brush in the spindle opening. Carefully remove any residue and debris by circular motions
with the brush.
Repeat the process several times and each time clean the dental brush with water.
To pre-clean the water- and air pipes place the syringe at the lower end of the handpiece and rinse the cavities at least 5 times.
5.2.2 Cleaning the visible end of the glass rod of dental turbines with light
CAUTION
Risk of scratches due to careless treatment
Defects of the glass rod result in a lower light quality.
CAUTION
→ Clean the glass rod with great care.
F Clean the visible part of the glass rod with warm water and soft cloth.
F Dry with air or with a new soft cloth.
F Pre-check the glass rod before each use. In case of a damage of the glass rod do not operate and contact your dealer or the VELOCE repair
service immediately.
5.3 Disinfection
CAUTION
The use of disinfecting baths and/or of chlorinated disinfectants may lead to defects and dys-
functions of the instrument.
CAUTION
→ Only clean and disinfect the instrument in a thermal disinfector.
5.3.1 Manual disinfection of the surface
Only use disinfectants whose microbiological effectiveness is ensured by the manufacturer (e.g. VAH/DGHM-regis-tration and CE-mark).
Concerning the material compatibility, only disinfectants free of aldehyde and based on alcohol may be used.
Apply the disinfectant to a cloth and wipe the instrument clean.
Consider the reacting time that is set by the manufacturer of the disinfectant.
Follow the manual for the disinfectant.