Micro SEM I Final Review Based on Teacher Review Questions & Answers 2026/2027 | Study Guide & Exam Prep

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Micro SEM I FINAL REVIEW Based on Teacher Review



generated during use of high and low speed handpieces, ultrasonic scalers, and the air/water syringe.

dental aerosols and spatter




small invisible particles of saliva that may contain a few MOs. They may evaporate into droplet nuclei
and may be inhaled to the depths of the lungs or remain airborne for extended periods

dental aerosols




this consists of particles larger than 50um that can settle anywhere

spatter




how to minimize dental aerosols and spatter (3)

1) high volume evacuation

2) rubber dam

3) proper position of clients head




this greatly reduces the escape of salivary aerosols and spatter from the clients mouth

high volume evacuation




proper use of saliva ejector

to prevent back flow never tell your client to close lips around the saliva ejector tip and never position
the vacuum line above the patients head this could allow flow to go towards the tip of the ejector.


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Micro SEM I FINAL REVIEW Based on Teacher Review

some saliva ejectors now have a one way valve preventing reverse flow




this results in 100% reduction in MOs escaping a clients mouth aerosols or spatter

rubber dam




1 in 5 cases show previously suctioned fluids can be retracted back into the mouth when a seal is
created around the ejector. true or false?

true




this lowers the number of MO's that may escape the clients mouth during dental care through aerosols,
spatter or direct contact

pre procedural mouth rinses




studies show that a mouth rinse can reduce MO levels for up to 2 hours. true or false?

false - up to 5 hours




these are single use or used only on 1 client. they can not be cleaned and should be discarded after use



ei) needles, air water syringe tips, HVE tips

disposable items




these are items that can be sterilized or protected with a barrier


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Micro SEM I FINAL REVIEW Based on Teacher Review
reusable items




Protocol BEFORE Seating Client include

PPE

clean and disinfect surfaces that be touched during treatment including:



1. Cuspidor rim/control knob

2. Countertop

3. Drawer pulls

4. Sink faucet handles

5. Handpiece connectors



remove items not being used during treatment from countertop

clean and disinfect any items brought into the area

remove mask and gloves - wash hands

surface covers, supplies, and sterile instruments




Protocol After Seating Client includes:

adjust chair/headrest - place bib

take/update med history - discuss treatment, do paperwork

remove chart from counter

client does anti bac rinse

wash hands

put on PPE

connect hand pieces and HVE/saliva ejectors tips




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