10
3.1 Sterilization of detachable handpiece
3.1.1 Autoclaved in high temperature/pressure:
0
a)121 C/1bar(0.1MPa), 20 minutes
0
b)135 C/2.2bar (0.22MPa), 18minutes
c) Pull out the handpiece and unscrew scaling tip and endochuck after each
operating.
d) Pack the handpiece with sterile gauze or sterile bag before sterilizing.
e) Reuse handpiece after it cools naturally in case of burning hand.
3.1.2 Notice
a) Clear the cleaning liquid on the handpiece with compressed air before
sterilization.
b)Be sure that the scaling tip has been unscrewed from the handpiece and it
cannot be sterilized with others.
c) Please notice whether the outer of the handpiece is damaged during the
treatment or sterilization, don't smear any protective oil on the surface of
handpiece.
d) There are two waterproof
"
o
"
rings at the end of handpiece. Please lub-
ricate them with dental lube frequently, as sterilization and repeated pull-
ing and inserting will reduce their using life. Change a new one once it is
damaged or worn excessively.
e) The following sterilizing methods are forbidden:
①
Put handpiece into any liquid for boiling.
②
Dip handpiece in disinfectors such as iodine, alcohol and glutaraldehyde.
③
Put handpiece into oven or microwave oven for baking.
3.2 Sterilization of scaling tips and endochuck
All the scaling tips and endochuck can be disinfected with alcohol cotton
or disinfected cloth. It's also ok to disinfect them by ultrasonic cleaner.
3.3 Sterilization of torque wrench and endo wrench
3
.
Sterilization and maintenance
