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A technician can usually make an accurate second pour for a working model using an alginate impression.

Which of the rubber-like impression materials has been shown to be most accurate in laboratory studies?

Which of the following make up the majority of members of the gut microbiome?

When looking at the actual particles inside the bag, which of the following gypsum products is most porous?

Individuals on immunosuppressive drugs may be at risk of developing 

If a technician substitutes some “saturated dihydrate solution” (called SDS in the Air Force Manual) for some of the water normally mixed with plaster, one would expect the material to go into initial set faster than it would have if only pure water were mixed with the plaster.

Toll-like receptors found on host cells recognize ________ on invading pathogens.

Which of the following is extremely acidic which helps to prevent infections of the gastrointestinal tract. 

Is the following impression material “Rigid” or “Elastic”? Modeling Compound 

Baseplate waxes are always _______.