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What physical characteristic of gypsum can decrease its reproduction of detail? 

Why is the presence of the soft tissue replica material on the master cast is helpful? Select all that apply.

Is this statement true or false? “Food is not allowed to be eaten in the dental labs, clinic, reception room, or the F-Wing hallway.”

Which of the following is the correct 1) initial and 2) final setting time for dental stone (stone).

“a negative form of the teeth and/or other tissues of the oral cavity, made in a plastic material that becomes relatively hard or set while in contact with these tissues”. This statement defines which of the following terms?

“An individualized impression tray made from a cast recovered from a preliminary impression” describes which of the following.

How many puppies are shown in the picture?

Which of the following is an alkali metal?   a) Sodium.       b) Neon.       c) Magnesium.     d) Chlorine    

What are the colours of the Canadian flag? (Select all that apply)

The majority of the elements are ___. a) metals      b) gases      c) nonmetals     d) metalloids