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14. Osscora contra-angle handpiece
Test run following oil service
u Place the contra-angle handpiece with the head, downwards.
v Start the contra-angle handpiece for 30 seconds to remove
excess oil. Start at the minimum speed and increase to the
maximum speed within 5 to 10 seconds.
– Repeat the complete hygiene and maintenance process at
any sign of dirt re-emerging.
w Wipe contra-angle handpiece with gauze or soft cloth.
u
v w
30 seconds
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