Decon Lecture 7 - Handpieces

Question 1

name the five parts of a handpiece

Answer 1

turbine
outer sleeve
drive air channel
air/ water spray channel
connection for dental unit

Question 2

how should handpieces be cleaned

Answer 2

manual cleaning
then cleaning in WD
after WD - handpiece is lubricated before sterilisation
sterilised with vacuum capability is necessary

Question 3

what is never used when cleaning handpieces

Answer 3

ultrasonic baths

Question 4

what are the top 5 causes of handpiece faults

Answer 4

incorrect compressor settings and lack of maintenance
damaged bur fitted
incorrect instrument use
poor or inadequate cleaning
incorrect lubrication

Question 5

how often should handpieces be serviced

Answer 5

yearly

Question 6

what is the wash and disinfection stages for handpieces

Answer 6

cold pre-wash
heated detergent wash
pure water rinse to remove residue
pure water thermal disinfection
drying phase

Question 7

what foes cleaning and flushing through spray air channels of handpieces provide

Answer 7

prevents build up of scale
keeps the fine spray nozzles free

Question 8

what are the five specifics of sterilisation

Answer 8

vacuum cycle recommended
air has to be removed from the chamber
steam introduced
134-137 degrees
steam is removed/ vented