completion of dental procedures, remove contaminated gloves, wash
hands and put on a pair of heavy duty utility gloves. Remove
contaminated barriers, place regulated waste in its container, and
carry instruments to the sterilization area. if instruments cannot
be cleaned, place the cassette in the bucket in the sink with water
to use as a holding tank to keep the instruments wet until they can
be processed. Return to the clinic, wash heavy duty gloves, dry,
remove gloves and then wash hands. Place clean barriers on surfaces.
Nitrile latex heavy duty gloves are recommended for processing
instruments because they are more puncture and chemically resistant
and they can be steam autoclaved if necessary.
Continue to wear
mask and protective eyewear during cleaning and instrument
All blood or
tissue contaminated material should be placed in the biohazardous
waste disposal at the site it was generated. Do not try to separate
it at the end of the day from regular trash. It must be placed in a
covered container that is properly identified. In the Department
Clinic, we place all waste in the same container because it is
disposed of by the University.
blades, orthodontic wire, carpules, etc.) must be placed in a rigid
leakproof container and disposed of properly. When the container is
full,(not over filled) seal and dispose of by an appropriate
will not be cleaned immediately, place them in a holding tank of
detergent or water until they are ready to be processed. If the
items in the presoak are considered reusable sharps, the container
must be labeled with a biohazardous stamp.
The ultrasonic or
instrument washer is the preferred method to clean instruments. An
ultrasonic should be maintained 3/4 full of solution to prevent
overheating. Operate the cleaner according to manufacturer's
directions and with the lid on.
Do not run
instruments longer than necessary in the ultrasonic because it may
cause pitting. In a properly operating ultrasonic, a good rule of
thumb is one minute per instrument.
instruments well after the cycle, dry and inspect the instruments to
make sure the ultrasonic is doing its job before sterilizing them.
The same with the instrument (cassette) washer.
The solution in
the ultrasonic will be changed at least once a day, or more often in
high usage. At the end of the day, the tank will be emptied and
cleaned. It will sit open until the next day. Only recommended
manufacturer's solutions will be used in the ultrasonic cleaner. Do
not use disinfectants.
In some cases
hand instrument scrubbing may be necessary. If needed, it is
recommended to keep the instruments below the surface of the
solution when scrubbing to reduce splatter. Rinse and pat dry. The
instruments are now ready to be sterilized. Refer to Appendix C.
Always wear heavy- duty nitrile gloves when processing contaminated
At the end of the
day, instrument scrub brushes should be packaged and heat
sterilized. Hard surfaces should be cleaned at the end of the day or
more often if necessary in the lab/sterilization area.
spray-wipe- spray method (Refer to Appendix B) disinfect only
items that cannot be covered with a barrier, are not disposed of, or
not heat sterilized. Flush out the water in the air/water hose and
the handpiece hose for 10-15 seconds. If any long delays occur,
flush out lines for I minute. Wash and remove utility gloves when
used and wash hands. Cover switches and other parts of unit with
clean barriers. At the end of the day, disinfect the parts covered
with barriers if you feel it is necessary, except the electrical
To cleanse the
interior of the suction tubing, flush with fresh water between
patients and a cleaner at the end of the day with a commercial
Place on the unit
a sterilized handpiece, prophy angle and air/water syringe tip.
Setup would be the same as "The Beginning of the Day."
When cuspidors or
suction devices are used, the traps should be cleaned at least once
a day. Saliva ejector & high speed vacuum parts should be cleaned to
Traps on central
suction should be cleaned weekly or according to use. Appropriate
PPE will be worn when performing this task. A biohazardous sticker
is located on the trap container.
should have a source of clean air return and many types have filters
that should be cleaned or changed daily.