Which Is Not True Regarding Reversible Hydrocolloids

question 9

Multiple Choice

Which is not true regarding reversible hydrocolloids?

• A)Plastic stops are used during the impression.
• B)The impression procedure requires the use of 3 conditioning baths for the material.
• C)The material is 85% agar and 15% water.
• D)Either tray or syringe material can be used for the impression.

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