Match the Items with the Correct Description Below

question 29

Multiple Choice

Match the items with the correct description below.
-Reversible hydrocolloid

• A)An alginate impression material that is mixed to a sol state and as it sets converts to a gel by a chemical reaction that irreversibly changes its nature
• B)Gluelike material composed of two or more substances in which one substance does not go into solution but is suspended within another substance
• C)An agar impression material that can be heated to change from a gel into a fluid state that can flow around the teeth
• D)A water-based colloid used as an elastic impression material
• E)A versatile irreversible hydrocolloid that is the most used impression material in the dental office

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