Handpieces & Compressors Flashcards
1
Q
What is the first step of handpiece cleaning?
A
manual cleaning
2
Q
What must be done to a handpiece after washing but before sterilisation?
A
lubrication
3
Q
What kind of steriliser must be used for handpieces?
A
- B-type steriliser
- vacuum capability
- adequate air removal
- vacuum capability
4
Q
What piece of equipment should never be used for cleaning handpieces?
A
ultrasonic baths
5
Q
What are the top 5 causes of handpiece faults?
A
- incorrect compressor settings/lack of maintenance
- damaged or oversized bur fitted
- incorrect instrument usage
- poor cleaning, incorrect processing
- incorrect or inadequate lubrication
6
Q
How regularly should handpieces be serviced?
A
annually
7
Q
What are the 5 steps of the washer-disinfector process?
A
- cold prewash
- heated detergent wash
- pure water rinse to remove residue
- pure water thermal disinfection
- drying phase
8
Q
Why is lubrication important?
A
- prevents build up of scale
- keeps the fine spray nozzles free
9
Q
What are the 5 stages of sterilisation?
A
- vacuum cycle started
- air removed from chamber
- steam introduced
- temperature increased to 134-137 degrees
- steam removed/vented
10
Q
What must be regularly done for compressors and how frequently should this be done?
A
- oil levels in pump
- drain moisture and emulsified oil
- weekly
